Home / 31,250.56-46,842.88-21,387.20

Finding the Fourth Proportional to 31,250.56, 46,842.88 and 21,387.20

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Solution

The fourth proportional to 31,250.56, 46,842.88 and 21,387.20 is: 32,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250.56 : 46,842.88 = 21,387.20 : x
  2. Step 2: Convert to fraction form
    31,250.56/46,842.88 = 21,387.20/x
  3. Step 3: Cross multiply
    31,250.56x = 46,842.88 × 21,387.20
  4. Step 4: Simplify right side
    31,250.56x = 1,001,838,043.14
  5. Step 5: Solve for x
    x = 1,001,838,043.14/31,250.56
  6. Step 6: Final answer
    x = 32,058.24

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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.