Home / 42,652.43-63,976.34-13,070.35

Finding the Fourth Proportional to 42,652.43, 63,976.34 and 13,070.35

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Solution

The fourth proportional to 42,652.43, 63,976.34 and 13,070.35 is: 19,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,652.43 : 63,976.34 = 13,070.35 : x
  2. Step 2: Convert to fraction form
    42,652.43/63,976.34 = 13,070.35/x
  3. Step 3: Cross multiply
    42,652.43x = 63,976.34 × 13,070.35
  4. Step 4: Simplify right side
    42,652.43x = 836,193,155.52
  5. Step 5: Solve for x
    x = 836,193,155.52/42,652.43
  6. Step 6: Final answer
    x = 19,604.82

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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.