Home / 39,500.15-54,510.39-21,595.15

Finding the Fourth Proportional to 39,500.15, 54,510.39 and 21,595.15

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Solution

The fourth proportional to 39,500.15, 54,510.39 and 21,595.15 is: 29,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,500.15 : 54,510.39 = 21,595.15 : x
  2. Step 2: Convert to fraction form
    39,500.15/54,510.39 = 21,595.15/x
  3. Step 3: Cross multiply
    39,500.15x = 54,510.39 × 21,595.15
  4. Step 4: Simplify right side
    39,500.15x = 1,177,160,048.61
  5. Step 5: Solve for x
    x = 1,177,160,048.61/39,500.15
  6. Step 6: Final answer
    x = 29,801.41

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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.