Home / 51,117.68-70,537.56-28,760.24

Finding the Fourth Proportional to 51,117.68, 70,537.56 and 28,760.24

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Solution

The fourth proportional to 51,117.68, 70,537.56 and 28,760.24 is: 39,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,117.68 : 70,537.56 = 28,760.24 : x
  2. Step 2: Convert to fraction form
    51,117.68/70,537.56 = 28,760.24/x
  3. Step 3: Cross multiply
    51,117.68x = 70,537.56 × 28,760.24
  4. Step 4: Simplify right side
    51,117.68x = 2,028,677,154.61
  5. Step 5: Solve for x
    x = 2,028,677,154.61/51,117.68
  6. Step 6: Final answer
    x = 39,686.41

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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.