Home / 42,312.50-63,468.75-21,550.58

Finding the Fourth Proportional to 42,312.50, 63,468.75 and 21,550.58

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Solution

The fourth proportional to 42,312.50, 63,468.75 and 21,550.58 is: 32,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,312.50 : 63,468.75 = 21,550.58 : x
  2. Step 2: Convert to fraction form
    42,312.50/63,468.75 = 21,550.58/x
  3. Step 3: Cross multiply
    42,312.50x = 63,468.75 × 21,550.58
  4. Step 4: Simplify right side
    42,312.50x = 1,367,788,057.03
  5. Step 5: Solve for x
    x = 1,367,788,057.03/42,312.50
  6. Step 6: Final answer
    x = 32,325.87

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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.