Home / 42,465.86-63,700.41-15,818.58

Finding the Fourth Proportional to 42,465.86, 63,700.41 and 15,818.58

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Solution

The fourth proportional to 42,465.86, 63,700.41 and 15,818.58 is: 23,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,465.86 : 63,700.41 = 15,818.58 : x
  2. Step 2: Convert to fraction form
    42,465.86/63,700.41 = 15,818.58/x
  3. Step 3: Cross multiply
    42,465.86x = 63,700.41 × 15,818.58
  4. Step 4: Simplify right side
    42,465.86x = 1,007,650,031.62
  5. Step 5: Solve for x
    x = 1,007,650,031.62/42,465.86
  6. Step 6: Final answer
    x = 23,728.47

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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.