Home / 39,210.32-54,117.96-22,454.48

Finding the Fourth Proportional to 39,210.32, 54,117.96 and 22,454.48

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Solution

The fourth proportional to 39,210.32, 54,117.96 and 22,454.48 is: 30,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210.32 : 54,117.96 = 22,454.48 : x
  2. Step 2: Convert to fraction form
    39,210.32/54,117.96 = 22,454.48/x
  3. Step 3: Cross multiply
    39,210.32x = 54,117.96 × 22,454.48
  4. Step 4: Simplify right side
    39,210.32x = 1,215,190,650.46
  5. Step 5: Solve for x
    x = 1,215,190,650.46/39,210.32
  6. Step 6: Final answer
    x = 30,991.60

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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.