Home / 42,191.47-63,274.65-15,889.96

Finding the Fourth Proportional to 42,191.47, 63,274.65 and 15,889.96

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Solution

The fourth proportional to 42,191.47, 63,274.65 and 15,889.96 is: 23,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,191.47 : 63,274.65 = 15,889.96 : x
  2. Step 2: Convert to fraction form
    42,191.47/63,274.65 = 15,889.96/x
  3. Step 3: Cross multiply
    42,191.47x = 63,274.65 × 15,889.96
  4. Step 4: Simplify right side
    42,191.47x = 1,005,431,657.51
  5. Step 5: Solve for x
    x = 1,005,431,657.51/42,191.47
  6. Step 6: Final answer
    x = 23,830.21

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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.