Home / 39,819.12-54,947.34-22,823.16

Finding the Fourth Proportional to 39,819.12, 54,947.34 and 22,823.16

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Solution

The fourth proportional to 39,819.12, 54,947.34 and 22,823.16 is: 31,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.12 : 54,947.34 = 22,823.16 : x
  2. Step 2: Convert to fraction form
    39,819.12/54,947.34 = 22,823.16/x
  3. Step 3: Cross multiply
    39,819.12x = 54,947.34 × 22,823.16
  4. Step 4: Simplify right side
    39,819.12x = 1,254,071,932.39
  5. Step 5: Solve for x
    x = 1,254,071,932.39/39,819.12
  6. Step 6: Final answer
    x = 31,494.22

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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.