Home / 42,254.40-63,381.60-39,662.40

Finding the Fourth Proportional to 42,254.40, 63,381.60 and 39,662.40

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Solution

The fourth proportional to 42,254.40, 63,381.60 and 39,662.40 is: 59,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,254.40 : 63,381.60 = 39,662.40 : x
  2. Step 2: Convert to fraction form
    42,254.40/63,381.60 = 39,662.40/x
  3. Step 3: Cross multiply
    42,254.40x = 63,381.60 × 39,662.40
  4. Step 4: Simplify right side
    42,254.40x = 2,513,866,371.84
  5. Step 5: Solve for x
    x = 2,513,866,371.84/42,254.40
  6. Step 6: Final answer
    x = 59,493.60

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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.