Home / 75,283.43-112,924.61-19,123.70

Finding the Fourth Proportional to 75,283.43, 112,924.61 and 19,123.70

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Solution

The fourth proportional to 75,283.43, 112,924.61 and 19,123.70 is: 28,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,283.43 : 112,924.61 = 19,123.70 : x
  2. Step 2: Convert to fraction form
    75,283.43/112,924.61 = 19,123.70/x
  3. Step 3: Cross multiply
    75,283.43x = 112,924.61 × 19,123.70
  4. Step 4: Simplify right side
    75,283.43x = 2,159,535,704.02
  5. Step 5: Solve for x
    x = 2,159,535,704.02/75,283.43
  6. Step 6: Final answer
    x = 28,685.41

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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.