Home / 51,025.48-70,397.76-31,892.20

Finding the Fourth Proportional to 51,025.48, 70,397.76 and 31,892.20

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Solution

The fourth proportional to 51,025.48, 70,397.76 and 31,892.20 is: 44,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,025.48 : 70,397.76 = 31,892.20 : x
  2. Step 2: Convert to fraction form
    51,025.48/70,397.76 = 31,892.20/x
  3. Step 3: Cross multiply
    51,025.48x = 70,397.76 × 31,892.20
  4. Step 4: Simplify right side
    51,025.48x = 2,245,139,441.47
  5. Step 5: Solve for x
    x = 2,245,139,441.47/51,025.48
  6. Step 6: Final answer
    x = 44,000.36

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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.