Home / 42,094.08-63,115.20-38,102.40

Finding the Fourth Proportional to 42,094.08, 63,115.20 and 38,102.40

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Solution

The fourth proportional to 42,094.08, 63,115.20 and 38,102.40 is: 57,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,094.08 : 63,115.20 = 38,102.40 : x
  2. Step 2: Convert to fraction form
    42,094.08/63,115.20 = 38,102.40/x
  3. Step 3: Cross multiply
    42,094.08x = 63,115.20 × 38,102.40
  4. Step 4: Simplify right side
    42,094.08x = 2,404,840,596.48
  5. Step 5: Solve for x
    x = 2,404,840,596.48/42,094.08
  6. Step 6: Final answer
    x = 57,130.14

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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.