Home / 39,729.02-59,542.86-18,622.50

Finding the Fourth Proportional to 39,729.02, 59,542.86 and 18,622.50

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Solution

The fourth proportional to 39,729.02, 59,542.86 and 18,622.50 is: 27,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.02 : 59,542.86 = 18,622.50 : x
  2. Step 2: Convert to fraction form
    39,729.02/59,542.86 = 18,622.50/x
  3. Step 3: Cross multiply
    39,729.02x = 59,542.86 × 18,622.50
  4. Step 4: Simplify right side
    39,729.02x = 1,108,836,910.35
  5. Step 5: Solve for x
    x = 1,108,836,910.35/39,729.02
  6. Step 6: Final answer
    x = 27,910.00

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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.