Home / 39,734.00-54,833.88-21,830.16

Finding the Fourth Proportional to 39,734.00, 54,833.88 and 21,830.16

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Solution

The fourth proportional to 39,734.00, 54,833.88 and 21,830.16 is: 30,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,734.00 : 54,833.88 = 21,830.16 : x
  2. Step 2: Convert to fraction form
    39,734.00/54,833.88 = 21,830.16/x
  3. Step 3: Cross multiply
    39,734.00x = 54,833.88 × 21,830.16
  4. Step 4: Simplify right side
    39,734.00x = 1,197,032,264.67
  5. Step 5: Solve for x
    x = 1,197,032,264.67/39,734.00
  6. Step 6: Final answer
    x = 30,126.15

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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.