Home / 40,644.90-56,034.72-28,528.92

Finding the Fourth Proportional to 40,644.90, 56,034.72 and 28,528.92

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Solution

The fourth proportional to 40,644.90, 56,034.72 and 28,528.92 is: 39,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,644.90 : 56,034.72 = 28,528.92 : x
  2. Step 2: Convert to fraction form
    40,644.90/56,034.72 = 28,528.92/x
  3. Step 3: Cross multiply
    40,644.90x = 56,034.72 × 28,528.92
  4. Step 4: Simplify right side
    40,644.90x = 1,598,610,044.10
  5. Step 5: Solve for x
    x = 1,598,610,044.10/40,644.90
  6. Step 6: Final answer
    x = 39,331.13

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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.