Home / 39,686.20-59,529.30-30,927.70

Finding the Fourth Proportional to 39,686.20, 59,529.30 and 30,927.70

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Solution

The fourth proportional to 39,686.20, 59,529.30 and 30,927.70 is: 46,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,686.20 : 59,529.30 = 30,927.70 : x
  2. Step 2: Convert to fraction form
    39,686.20/59,529.30 = 30,927.70/x
  3. Step 3: Cross multiply
    39,686.20x = 59,529.30 × 30,927.70
  4. Step 4: Simplify right side
    39,686.20x = 1,841,104,331.61
  5. Step 5: Solve for x
    x = 1,841,104,331.61/39,686.20
  6. Step 6: Final answer
    x = 46,391.55

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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.