Home / 42,567.38-63,860.46-12,987.50

Finding the Fourth Proportional to 42,567.38, 63,860.46 and 12,987.50

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Solution

The fourth proportional to 42,567.38, 63,860.46 and 12,987.50 is: 19,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,567.38 : 63,860.46 = 12,987.50 : x
  2. Step 2: Convert to fraction form
    42,567.38/63,860.46 = 12,987.50/x
  3. Step 3: Cross multiply
    42,567.38x = 63,860.46 × 12,987.50
  4. Step 4: Simplify right side
    42,567.38x = 829,387,724.25
  5. Step 5: Solve for x
    x = 829,387,724.25/42,567.38
  6. Step 6: Final answer
    x = 19,484.11

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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.