Home / 39,686.52-59,529.78-18,846.84

Finding the Fourth Proportional to 39,686.52, 59,529.78 and 18,846.84

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Solution

The fourth proportional to 39,686.52, 59,529.78 and 18,846.84 is: 28,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,686.52 : 59,529.78 = 18,846.84 : x
  2. Step 2: Convert to fraction form
    39,686.52/59,529.78 = 18,846.84/x
  3. Step 3: Cross multiply
    39,686.52x = 59,529.78 × 18,846.84
  4. Step 4: Simplify right side
    39,686.52x = 1,121,948,238.90
  5. Step 5: Solve for x
    x = 1,121,948,238.90/39,686.52
  6. Step 6: Final answer
    x = 28,270.26

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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.