Home / 42,018.66-63,037.71-18,646.92

Finding the Fourth Proportional to 42,018.66, 63,037.71 and 18,646.92

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Solution

The fourth proportional to 42,018.66, 63,037.71 and 18,646.92 is: 27,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,018.66 : 63,037.71 = 18,646.92 : x
  2. Step 2: Convert to fraction form
    42,018.66/63,037.71 = 18,646.92/x
  3. Step 3: Cross multiply
    42,018.66x = 63,037.71 × 18,646.92
  4. Step 4: Simplify right side
    42,018.66x = 1,175,459,135.35
  5. Step 5: Solve for x
    x = 1,175,459,135.35/42,018.66
  6. Step 6: Final answer
    x = 27,974.69

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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.