Home / 34,869.20-48,119.60-18,953.71

Finding the Fourth Proportional to 34,869.20, 48,119.60 and 18,953.71

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Solution

The fourth proportional to 34,869.20, 48,119.60 and 18,953.71 is: 26,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.20 : 48,119.60 = 18,953.71 : x
  2. Step 2: Convert to fraction form
    34,869.20/48,119.60 = 18,953.71/x
  3. Step 3: Cross multiply
    34,869.20x = 48,119.60 × 18,953.71
  4. Step 4: Simplify right side
    34,869.20x = 912,044,870.80
  5. Step 5: Solve for x
    x = 912,044,870.80/34,869.20
  6. Step 6: Final answer
    x = 26,156.18

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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.