Home / 30,301.52-41,815.32-29,407.28

Finding the Fourth Proportional to 30,301.52, 41,815.32 and 29,407.28

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Solution

The fourth proportional to 30,301.52, 41,815.32 and 29,407.28 is: 40,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.52 : 41,815.32 = 29,407.28 : x
  2. Step 2: Convert to fraction form
    30,301.52/41,815.32 = 29,407.28/x
  3. Step 3: Cross multiply
    30,301.52x = 41,815.32 × 29,407.28
  4. Step 4: Simplify right side
    30,301.52x = 1,229,674,823.53
  5. Step 5: Solve for x
    x = 1,229,674,823.53/30,301.52
  6. Step 6: Final answer
    x = 40,581.29

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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.