Home / 38,486.16-53,119.76-22,575.74

Finding the Fourth Proportional to 38,486.16, 53,119.76 and 22,575.74

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Solution

The fourth proportional to 38,486.16, 53,119.76 and 22,575.74 is: 31,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,486.16 : 53,119.76 = 22,575.74 : x
  2. Step 2: Convert to fraction form
    38,486.16/53,119.76 = 22,575.74/x
  3. Step 3: Cross multiply
    38,486.16x = 53,119.76 × 22,575.74
  4. Step 4: Simplify right side
    38,486.16x = 1,199,217,890.62
  5. Step 5: Solve for x
    x = 1,199,217,890.62/38,486.16
  6. Step 6: Final answer
    x = 31,159.72

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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.