Home / 51,292.71-70,785.29-28,631.61

Finding the Fourth Proportional to 51,292.71, 70,785.29 and 28,631.61

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Solution

The fourth proportional to 51,292.71, 70,785.29 and 28,631.61 is: 39,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,292.71 : 70,785.29 = 28,631.61 : x
  2. Step 2: Convert to fraction form
    51,292.71/70,785.29 = 28,631.61/x
  3. Step 3: Cross multiply
    51,292.71x = 70,785.29 × 28,631.61
  4. Step 4: Simplify right side
    51,292.71x = 2,026,696,888.60
  5. Step 5: Solve for x
    x = 2,026,696,888.60/51,292.71
  6. Step 6: Final answer
    x = 39,512.38

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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.