Home / 42,484.13-63,722.07-12,902.22

Finding the Fourth Proportional to 42,484.13, 63,722.07 and 12,902.22

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Solution

The fourth proportional to 42,484.13, 63,722.07 and 12,902.22 is: 19,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,484.13 : 63,722.07 = 12,902.22 : x
  2. Step 2: Convert to fraction form
    42,484.13/63,722.07 = 12,902.22/x
  3. Step 3: Cross multiply
    42,484.13x = 63,722.07 × 12,902.22
  4. Step 4: Simplify right side
    42,484.13x = 822,156,166.00
  5. Step 5: Solve for x
    x = 822,156,166.00/42,484.13
  6. Step 6: Final answer
    x = 19,352.08

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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.