Home / 39,500.78-59,251.23-15,818.99

Finding the Fourth Proportional to 39,500.78, 59,251.23 and 15,818.99

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Solution

The fourth proportional to 39,500.78, 59,251.23 and 15,818.99 is: 23,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,500.78 : 59,251.23 = 15,818.99 : x
  2. Step 2: Convert to fraction form
    39,500.78/59,251.23 = 15,818.99/x
  3. Step 3: Cross multiply
    39,500.78x = 59,251.23 × 15,818.99
  4. Step 4: Simplify right side
    39,500.78x = 937,294,614.86
  5. Step 5: Solve for x
    x = 937,294,614.86/39,500.78
  6. Step 6: Final answer
    x = 23,728.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.