Home / 38,836.76-58,240.76-13,870.13

Finding the Fourth Proportional to 38,836.76, 58,240.76 and 13,870.13

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Solution

The fourth proportional to 38,836.76, 58,240.76 and 13,870.13 is: 20,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,836.76 : 58,240.76 = 13,870.13 : x
  2. Step 2: Convert to fraction form
    38,836.76/58,240.76 = 13,870.13/x
  3. Step 3: Cross multiply
    38,836.76x = 58,240.76 × 13,870.13
  4. Step 4: Simplify right side
    38,836.76x = 807,806,551.94
  5. Step 5: Solve for x
    x = 807,806,551.94/38,836.76
  6. Step 6: Final answer
    x = 20,800.05

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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.