Home / 30,240.54-45,368.48-21,373.34

Finding the Fourth Proportional to 30,240.54, 45,368.48 and 21,373.34

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Solution

The fourth proportional to 30,240.54, 45,368.48 and 21,373.34 is: 32,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.54 : 45,368.48 = 21,373.34 : x
  2. Step 2: Convert to fraction form
    30,240.54/45,368.48 = 21,373.34/x
  3. Step 3: Cross multiply
    30,240.54x = 45,368.48 × 21,373.34
  4. Step 4: Simplify right side
    30,240.54x = 969,675,774.91
  5. Step 5: Solve for x
    x = 969,675,774.91/30,240.54
  6. Step 6: Final answer
    x = 32,065.43

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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.