Home / 47,442.68-65,470.90-28,583.46

Finding the Fourth Proportional to 47,442.68, 65,470.90 and 28,583.46

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Solution

The fourth proportional to 47,442.68, 65,470.90 and 28,583.46 is: 39,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,442.68 : 65,470.90 = 28,583.46 : x
  2. Step 2: Convert to fraction form
    47,442.68/65,470.90 = 28,583.46/x
  3. Step 3: Cross multiply
    47,442.68x = 65,470.90 × 28,583.46
  4. Step 4: Simplify right side
    47,442.68x = 1,871,384,851.31
  5. Step 5: Solve for x
    x = 1,871,384,851.31/47,442.68
  6. Step 6: Final answer
    x = 39,445.18

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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.