Home / 34,905.99-48,180.17-20,574.15

Finding the Fourth Proportional to 34,905.99, 48,180.17 and 20,574.15

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Solution

The fourth proportional to 34,905.99, 48,180.17 and 20,574.15 is: 28,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,905.99 : 48,180.17 = 20,574.15 : x
  2. Step 2: Convert to fraction form
    34,905.99/48,180.17 = 20,574.15/x
  3. Step 3: Cross multiply
    34,905.99x = 48,180.17 × 20,574.15
  4. Step 4: Simplify right side
    34,905.99x = 991,266,044.61
  5. Step 5: Solve for x
    x = 991,266,044.61/34,905.99
  6. Step 6: Final answer
    x = 28,398.16

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1.5x scale

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.