Home / 51,109.68-70,531.56-28,752.24

Finding the Fourth Proportional to 51,109.68, 70,531.56 and 28,752.24

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Solution

The fourth proportional to 51,109.68, 70,531.56 and 28,752.24 is: 39,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,109.68 : 70,531.56 = 28,752.24 : x
  2. Step 2: Convert to fraction form
    51,109.68/70,531.56 = 28,752.24/x
  3. Step 3: Cross multiply
    51,109.68x = 70,531.56 × 28,752.24
  4. Step 4: Simplify right side
    51,109.68x = 2,027,940,340.69
  5. Step 5: Solve for x
    x = 2,027,940,340.69/51,109.68
  6. Step 6: Final answer
    x = 39,678.20

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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.