Home / 39,937.60-59,896.80-12,235.84

Finding the Fourth Proportional to 39,937.60, 59,896.80 and 12,235.84

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Solution

The fourth proportional to 39,937.60, 59,896.80 and 12,235.84 is: 18,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937.60 : 59,896.80 = 12,235.84 : x
  2. Step 2: Convert to fraction form
    39,937.60/59,896.80 = 12,235.84/x
  3. Step 3: Cross multiply
    39,937.60x = 59,896.80 × 12,235.84
  4. Step 4: Simplify right side
    39,937.60x = 732,887,661.31
  5. Step 5: Solve for x
    x = 732,887,661.31/39,937.60
  6. Step 6: Final answer
    x = 18,350.82

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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.