Home / 80,030.30-120,045.44-27,440.24

Finding the Fourth Proportional to 80,030.30, 120,045.44 and 27,440.24

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Solution

The fourth proportional to 80,030.30, 120,045.44 and 27,440.24 is: 41,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,030.30 : 120,045.44 = 27,440.24 : x
  2. Step 2: Convert to fraction form
    80,030.30/120,045.44 = 27,440.24/x
  3. Step 3: Cross multiply
    80,030.30x = 120,045.44 × 27,440.24
  4. Step 4: Simplify right side
    80,030.30x = 3,294,075,152.88
  5. Step 5: Solve for x
    x = 3,294,075,152.88/80,030.30
  6. Step 6: Final answer
    x = 41,160.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.