Home / 38,690.93-58,031.85-10,613.82

Finding the Fourth Proportional to 38,690.93, 58,031.85 and 10,613.82

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Solution

The fourth proportional to 38,690.93, 58,031.85 and 10,613.82 is: 15,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.93 : 58,031.85 = 10,613.82 : x
  2. Step 2: Convert to fraction form
    38,690.93/58,031.85 = 10,613.82/x
  3. Step 3: Cross multiply
    38,690.93x = 58,031.85 × 10,613.82
  4. Step 4: Simplify right side
    38,690.93x = 615,939,610.17
  5. Step 5: Solve for x
    x = 615,939,610.17/38,690.93
  6. Step 6: Final answer
    x = 15,919.48

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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.