Home / 42,484.55-63,726.92-12,902.60

Finding the Fourth Proportional to 42,484.55, 63,726.92 and 12,902.60

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Solution

The fourth proportional to 42,484.55, 63,726.92 and 12,902.60 is: 19,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,484.55 : 63,726.92 = 12,902.60 : x
  2. Step 2: Convert to fraction form
    42,484.55/63,726.92 = 12,902.60/x
  3. Step 3: Cross multiply
    42,484.55x = 63,726.92 × 12,902.60
  4. Step 4: Simplify right side
    42,484.55x = 822,243,101.18
  5. Step 5: Solve for x
    x = 822,243,101.18/42,484.55
  6. Step 6: Final answer
    x = 19,353.93

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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.