Home / 42,035.66-63,037.08-18,350.45

Finding the Fourth Proportional to 42,035.66, 63,037.08 and 18,350.45

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Solution

The fourth proportional to 42,035.66, 63,037.08 and 18,350.45 is: 27,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,035.66 : 63,037.08 = 18,350.45 : x
  2. Step 2: Convert to fraction form
    42,035.66/63,037.08 = 18,350.45/x
  3. Step 3: Cross multiply
    42,035.66x = 63,037.08 × 18,350.45
  4. Step 4: Simplify right side
    42,035.66x = 1,156,758,377.75
  5. Step 5: Solve for x
    x = 1,156,758,377.75/42,035.66
  6. Step 6: Final answer
    x = 27,518.50

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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.