Home / 40,005.16-55,210.35-22,101.73

Finding the Fourth Proportional to 40,005.16, 55,210.35 and 22,101.73

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Solution

The fourth proportional to 40,005.16, 55,210.35 and 22,101.73 is: 30,502.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,005.16 : 55,210.35 = 22,101.73 : x
  2. Step 2: Convert to fraction form
    40,005.16/55,210.35 = 22,101.73/x
  3. Step 3: Cross multiply
    40,005.16x = 55,210.35 × 22,101.73
  4. Step 4: Simplify right side
    40,005.16x = 1,220,244,248.91
  5. Step 5: Solve for x
    x = 1,220,244,248.91/40,005.16
  6. Step 6: Final answer
    x = 30,502.17

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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.