Home / 42,177.96-63,266.94-18,508.68

Finding the Fourth Proportional to 42,177.96, 63,266.94 and 18,508.68

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Solution

The fourth proportional to 42,177.96, 63,266.94 and 18,508.68 is: 27,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,177.96 : 63,266.94 = 18,508.68 : x
  2. Step 2: Convert to fraction form
    42,177.96/63,266.94 = 18,508.68/x
  3. Step 3: Cross multiply
    42,177.96x = 63,266.94 × 18,508.68
  4. Step 4: Simplify right side
    42,177.96x = 1,170,987,547.04
  5. Step 5: Solve for x
    x = 1,170,987,547.04/42,177.96
  6. Step 6: Final answer
    x = 27,763.02

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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.