Home / 34,693.13-47,876.51-18,777.71

Finding the Fourth Proportional to 34,693.13, 47,876.51 and 18,777.71

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Solution

The fourth proportional to 34,693.13, 47,876.51 and 18,777.71 is: 25,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,693.13 : 47,876.51 = 18,777.71 : x
  2. Step 2: Convert to fraction form
    34,693.13/47,876.51 = 18,777.71/x
  3. Step 3: Cross multiply
    34,693.13x = 47,876.51 × 18,777.71
  4. Step 4: Simplify right side
    34,693.13x = 899,011,028.15
  5. Step 5: Solve for x
    x = 899,011,028.15/34,693.13
  6. Step 6: Final answer
    x = 25,913.23

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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.