Home / 38,298.17-57,448.80-13,340.74

Finding the Fourth Proportional to 38,298.17, 57,448.80 and 13,340.74

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Solution

The fourth proportional to 38,298.17, 57,448.80 and 13,340.74 is: 20,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298.17 : 57,448.80 = 13,340.74 : x
  2. Step 2: Convert to fraction form
    38,298.17/57,448.80 = 13,340.74/x
  3. Step 3: Cross multiply
    38,298.17x = 57,448.80 × 13,340.74
  4. Step 4: Simplify right side
    38,298.17x = 766,409,752.90
  5. Step 5: Solve for x
    x = 766,409,752.90/38,298.17
  6. Step 6: Final answer
    x = 20,011.65

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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.