Home / 29,306.16-40,448.20-22,920.08

Finding the Fourth Proportional to 29,306.16, 40,448.20 and 22,920.08

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Solution

The fourth proportional to 29,306.16, 40,448.20 and 22,920.08 is: 31,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,306.16 : 40,448.20 = 22,920.08 : x
  2. Step 2: Convert to fraction form
    29,306.16/40,448.20 = 22,920.08/x
  3. Step 3: Cross multiply
    29,306.16x = 40,448.20 × 22,920.08
  4. Step 4: Simplify right side
    29,306.16x = 927,075,979.86
  5. Step 5: Solve for x
    x = 927,075,979.86/29,306.16
  6. Step 6: Final answer
    x = 31,634.17

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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.