Home / 42,322.45-63,487.90-15,675.58

Finding the Fourth Proportional to 42,322.45, 63,487.90 and 15,675.58

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Solution

The fourth proportional to 42,322.45, 63,487.90 and 15,675.58 is: 23,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,322.45 : 63,487.90 = 15,675.58 : x
  2. Step 2: Convert to fraction form
    42,322.45/63,487.90 = 15,675.58/x
  3. Step 3: Cross multiply
    42,322.45x = 63,487.90 × 15,675.58
  4. Step 4: Simplify right side
    42,322.45x = 995,209,397.32
  5. Step 5: Solve for x
    x = 995,209,397.32/42,322.45
  6. Step 6: Final answer
    x = 23,514.93

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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.