Home / 42,330.36-63,524.70-18,982.92

Finding the Fourth Proportional to 42,330.36, 63,524.70 and 18,982.92

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Solution

The fourth proportional to 42,330.36, 63,524.70 and 18,982.92 is: 28,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,330.36 : 63,524.70 = 18,982.92 : x
  2. Step 2: Convert to fraction form
    42,330.36/63,524.70 = 18,982.92/x
  3. Step 3: Cross multiply
    42,330.36x = 63,524.70 × 18,982.92
  4. Step 4: Simplify right side
    42,330.36x = 1,205,884,298.12
  5. Step 5: Solve for x
    x = 1,205,884,298.12/42,330.36
  6. Step 6: Final answer
    x = 28,487.46

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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.