Home / 38,377.68-57,566.79-13,417.62

Finding the Fourth Proportional to 38,377.68, 57,566.79 and 13,417.62

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Solution

The fourth proportional to 38,377.68, 57,566.79 and 13,417.62 is: 20,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.68 : 57,566.79 = 13,417.62 : x
  2. Step 2: Convert to fraction form
    38,377.68/57,566.79 = 13,417.62/x
  3. Step 3: Cross multiply
    38,377.68x = 57,566.79 × 13,417.62
  4. Step 4: Simplify right side
    38,377.68x = 772,409,312.84
  5. Step 5: Solve for x
    x = 772,409,312.84/38,377.68
  6. Step 6: Final answer
    x = 20,126.52

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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.