Home / 34,889.13-48,130.05-20,731.95

Finding the Fourth Proportional to 34,889.13, 48,130.05 and 20,731.95

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Solution

The fourth proportional to 34,889.13, 48,130.05 and 20,731.95 is: 28,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,889.13 : 48,130.05 = 20,731.95 : x
  2. Step 2: Convert to fraction form
    34,889.13/48,130.05 = 20,731.95/x
  3. Step 3: Cross multiply
    34,889.13x = 48,130.05 × 20,731.95
  4. Step 4: Simplify right side
    34,889.13x = 997,829,790.10
  5. Step 5: Solve for x
    x = 997,829,790.10/34,889.13
  6. Step 6: Final answer
    x = 28,600.02

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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.