Home / 42,047.55-63,071.19-28,859.94

Finding the Fourth Proportional to 42,047.55, 63,071.19 and 28,859.94

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Solution

The fourth proportional to 42,047.55, 63,071.19 and 28,859.94 is: 43,289.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,047.55 : 63,071.19 = 28,859.94 : x
  2. Step 2: Convert to fraction form
    42,047.55/63,071.19 = 28,859.94/x
  3. Step 3: Cross multiply
    42,047.55x = 63,071.19 × 28,859.94
  4. Step 4: Simplify right side
    42,047.55x = 1,820,230,759.13
  5. Step 5: Solve for x
    x = 1,820,230,759.13/42,047.55
  6. Step 6: Final answer
    x = 43,289.82

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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.