Home / 39,240.02-54,150.95-21,335.03

Finding the Fourth Proportional to 39,240.02, 54,150.95 and 21,335.03

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Solution

The fourth proportional to 39,240.02, 54,150.95 and 21,335.03 is: 29,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,240.02 : 54,150.95 = 21,335.03 : x
  2. Step 2: Convert to fraction form
    39,240.02/54,150.95 = 21,335.03/x
  3. Step 3: Cross multiply
    39,240.02x = 54,150.95 × 21,335.03
  4. Step 4: Simplify right side
    39,240.02x = 1,155,311,765.35
  5. Step 5: Solve for x
    x = 1,155,311,765.35/39,240.02
  6. Step 6: Final answer
    x = 29,442.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.