Home / 29,255.74-40,377.75-17,931.53

Finding the Fourth Proportional to 29,255.74, 40,377.75 and 17,931.53

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Solution

The fourth proportional to 29,255.74, 40,377.75 and 17,931.53 is: 24,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,255.74 : 40,377.75 = 17,931.53 : x
  2. Step 2: Convert to fraction form
    29,255.74/40,377.75 = 17,931.53/x
  3. Step 3: Cross multiply
    29,255.74x = 40,377.75 × 17,931.53
  4. Step 4: Simplify right side
    29,255.74x = 724,034,869.16
  5. Step 5: Solve for x
    x = 724,034,869.16/29,255.74
  6. Step 6: Final answer
    x = 24,748.47

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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.