Home / 30,279.06-45,457.47-25,691.22

Finding the Fourth Proportional to 30,279.06, 45,457.47 and 25,691.22

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Solution

The fourth proportional to 30,279.06, 45,457.47 and 25,691.22 is: 38,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.06 : 45,457.47 = 25,691.22 : x
  2. Step 2: Convert to fraction form
    30,279.06/45,457.47 = 25,691.22/x
  3. Step 3: Cross multiply
    30,279.06x = 45,457.47 × 25,691.22
  4. Step 4: Simplify right side
    30,279.06x = 1,167,857,862.41
  5. Step 5: Solve for x
    x = 1,167,857,862.41/30,279.06
  6. Step 6: Final answer
    x = 38,569.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.