Home / 42,246.90-63,373.65-18,875.70

Finding the Fourth Proportional to 42,246.90, 63,373.65 and 18,875.70

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Solution

The fourth proportional to 42,246.90, 63,373.65 and 18,875.70 is: 28,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,246.90 : 63,373.65 = 18,875.70 : x
  2. Step 2: Convert to fraction form
    42,246.90/63,373.65 = 18,875.70/x
  3. Step 3: Cross multiply
    42,246.90x = 63,373.65 × 18,875.70
  4. Step 4: Simplify right side
    42,246.90x = 1,196,222,005.31
  5. Step 5: Solve for x
    x = 1,196,222,005.31/42,246.90
  6. Step 6: Final answer
    x = 28,315.02

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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.