Home / 39,937.00-59,917.02-12,918.74

Finding the Fourth Proportional to 39,937.00, 59,917.02 and 12,918.74

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Solution

The fourth proportional to 39,937.00, 59,917.02 and 12,918.74 is: 19,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937.00 : 59,917.02 = 12,918.74 : x
  2. Step 2: Convert to fraction form
    39,937.00/59,917.02 = 12,918.74/x
  3. Step 3: Cross multiply
    39,937.00x = 59,917.02 × 12,918.74
  4. Step 4: Simplify right side
    39,937.00x = 774,052,391.96
  5. Step 5: Solve for x
    x = 774,052,391.96/39,937.00
  6. Step 6: Final answer
    x = 19,381.84

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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.