Home / 42,385.08-63,536.22-20,192.52

Finding the Fourth Proportional to 42,385.08, 63,536.22 and 20,192.52

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Solution

The fourth proportional to 42,385.08, 63,536.22 and 20,192.52 is: 30,269.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,385.08 : 63,536.22 = 20,192.52 : x
  2. Step 2: Convert to fraction form
    42,385.08/63,536.22 = 20,192.52/x
  3. Step 3: Cross multiply
    42,385.08x = 63,536.22 × 20,192.52
  4. Step 4: Simplify right side
    42,385.08x = 1,282,956,393.07
  5. Step 5: Solve for x
    x = 1,282,956,393.07/42,385.08
  6. Step 6: Final answer
    x = 30,269.06

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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.