Home / 45,966.18-63,440.19-28,071.48

Finding the Fourth Proportional to 45,966.18, 63,440.19 and 28,071.48

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Solution

The fourth proportional to 45,966.18, 63,440.19 and 28,071.48 is: 38,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,966.18 : 63,440.19 = 28,071.48 : x
  2. Step 2: Convert to fraction form
    45,966.18/63,440.19 = 28,071.48/x
  3. Step 3: Cross multiply
    45,966.18x = 63,440.19 × 28,071.48
  4. Step 4: Simplify right side
    45,966.18x = 1,780,860,024.78
  5. Step 5: Solve for x
    x = 1,780,860,024.78/45,966.18
  6. Step 6: Final answer
    x = 38,742.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.