Home / 38,491.70-53,123.15-23,386.82

Finding the Fourth Proportional to 38,491.70, 53,123.15 and 23,386.82

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Solution

The fourth proportional to 38,491.70, 53,123.15 and 23,386.82 is: 32,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491.70 : 53,123.15 = 23,386.82 : x
  2. Step 2: Convert to fraction form
    38,491.70/53,123.15 = 23,386.82/x
  3. Step 3: Cross multiply
    38,491.70x = 53,123.15 × 23,386.82
  4. Step 4: Simplify right side
    38,491.70x = 1,242,381,339.73
  5. Step 5: Solve for x
    x = 1,242,381,339.73/38,491.70
  6. Step 6: Final answer
    x = 32,276.61

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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.