Home / 42,487.36-63,732.26-14,407.50

Finding the Fourth Proportional to 42,487.36, 63,732.26 and 14,407.50

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Solution

The fourth proportional to 42,487.36, 63,732.26 and 14,407.50 is: 21,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,487.36 : 63,732.26 = 14,407.50 : x
  2. Step 2: Convert to fraction form
    42,487.36/63,732.26 = 14,407.50/x
  3. Step 3: Cross multiply
    42,487.36x = 63,732.26 × 14,407.50
  4. Step 4: Simplify right side
    42,487.36x = 918,222,535.95
  5. Step 5: Solve for x
    x = 918,222,535.95/42,487.36
  6. Step 6: Final answer
    x = 21,611.66

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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.