Home / 51,031.60-76,547.43-27,805.66

Finding the Fourth Proportional to 51,031.60, 76,547.43 and 27,805.66

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Solution

The fourth proportional to 51,031.60, 76,547.43 and 27,805.66 is: 41,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,031.60 : 76,547.43 = 27,805.66 : x
  2. Step 2: Convert to fraction form
    51,031.60/76,547.43 = 27,805.66/x
  3. Step 3: Cross multiply
    51,031.60x = 76,547.43 × 27,805.66
  4. Step 4: Simplify right side
    51,031.60x = 2,128,451,812.45
  5. Step 5: Solve for x
    x = 2,128,451,812.45/51,031.60
  6. Step 6: Final answer
    x = 41,708.51

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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.