Home / 42,041.76-63,018.80-15,735.04

Finding the Fourth Proportional to 42,041.76, 63,018.80 and 15,735.04

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Solution

The fourth proportional to 42,041.76, 63,018.80 and 15,735.04 is: 23,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,041.76 : 63,018.80 = 15,735.04 : x
  2. Step 2: Convert to fraction form
    42,041.76/63,018.80 = 15,735.04/x
  3. Step 3: Cross multiply
    42,041.76x = 63,018.80 × 15,735.04
  4. Step 4: Simplify right side
    42,041.76x = 991,603,338.75
  5. Step 5: Solve for x
    x = 991,603,338.75/42,041.76
  6. Step 6: Final answer
    x = 23,586.15

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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.