Home / 40,020.19-55,228.97-22,116.32

Finding the Fourth Proportional to 40,020.19, 55,228.97 and 22,116.32

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Solution

The fourth proportional to 40,020.19, 55,228.97 and 22,116.32 is: 30,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,020.19 : 55,228.97 = 22,116.32 : x
  2. Step 2: Convert to fraction form
    40,020.19/55,228.97 = 22,116.32/x
  3. Step 3: Cross multiply
    40,020.19x = 55,228.97 × 22,116.32
  4. Step 4: Simplify right side
    40,020.19x = 1,221,461,870.71
  5. Step 5: Solve for x
    x = 1,221,461,870.71/40,020.19
  6. Step 6: Final answer
    x = 30,521.14

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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.