Home / 42,485.52-63,729.90-15,838.14

Finding the Fourth Proportional to 42,485.52, 63,729.90 and 15,838.14

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Solution

The fourth proportional to 42,485.52, 63,729.90 and 15,838.14 is: 23,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,485.52 : 63,729.90 = 15,838.14 : x
  2. Step 2: Convert to fraction form
    42,485.52/63,729.90 = 15,838.14/x
  3. Step 3: Cross multiply
    42,485.52x = 63,729.90 × 15,838.14
  4. Step 4: Simplify right side
    42,485.52x = 1,009,362,780.01
  5. Step 5: Solve for x
    x = 1,009,362,780.01/42,485.52
  6. Step 6: Final answer
    x = 23,757.81

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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.