Home / 66,948.57-92,392.38-38,269.71

Finding the Fourth Proportional to 66,948.57, 92,392.38 and 38,269.71

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Solution

The fourth proportional to 66,948.57, 92,392.38 and 38,269.71 is: 52,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,948.57 : 92,392.38 = 38,269.71 : x
  2. Step 2: Convert to fraction form
    66,948.57/92,392.38 = 38,269.71/x
  3. Step 3: Cross multiply
    66,948.57x = 92,392.38 × 38,269.71
  4. Step 4: Simplify right side
    66,948.57x = 3,535,829,588.81
  5. Step 5: Solve for x
    x = 3,535,829,588.81/66,948.57
  6. Step 6: Final answer
    x = 52,814.12

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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.