Home / 42,390.75-63,597.47-14,688.75

Finding the Fourth Proportional to 42,390.75, 63,597.47 and 14,688.75

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Solution

The fourth proportional to 42,390.75, 63,597.47 and 14,688.75 is: 22,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,390.75 : 63,597.47 = 14,688.75 : x
  2. Step 2: Convert to fraction form
    42,390.75/63,597.47 = 14,688.75/x
  3. Step 3: Cross multiply
    42,390.75x = 63,597.47 × 14,688.75
  4. Step 4: Simplify right side
    42,390.75x = 934,167,264.02
  5. Step 5: Solve for x
    x = 934,167,264.02/42,390.75
  6. Step 6: Final answer
    x = 22,037.05

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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.