Home / 42,305.22-63,472.50-12,722.40

Finding the Fourth Proportional to 42,305.22, 63,472.50 and 12,722.40

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Solution

The fourth proportional to 42,305.22, 63,472.50 and 12,722.40 is: 19,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,305.22 : 63,472.50 = 12,722.40 : x
  2. Step 2: Convert to fraction form
    42,305.22/63,472.50 = 12,722.40/x
  3. Step 3: Cross multiply
    42,305.22x = 63,472.50 × 12,722.40
  4. Step 4: Simplify right side
    42,305.22x = 807,522,534
  5. Step 5: Solve for x
    x = 807,522,534/42,305.22
  6. Step 6: Final answer
    x = 19,088.01

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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.