Home / 43,211.40-64,817.10-18,247.50

Finding the Fourth Proportional to 43,211.40, 64,817.10 and 18,247.50

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Solution

The fourth proportional to 43,211.40, 64,817.10 and 18,247.50 is: 27,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211.40 : 64,817.10 = 18,247.50 : x
  2. Step 2: Convert to fraction form
    43,211.40/64,817.10 = 18,247.50/x
  3. Step 3: Cross multiply
    43,211.40x = 64,817.10 × 18,247.50
  4. Step 4: Simplify right side
    43,211.40x = 1,182,750,032.25
  5. Step 5: Solve for x
    x = 1,182,750,032.25/43,211.40
  6. Step 6: Final answer
    x = 27,371.25

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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.