Home / 51,350.48-70,862.80-28,689.84

Finding the Fourth Proportional to 51,350.48, 70,862.80 and 28,689.84

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Solution

The fourth proportional to 51,350.48, 70,862.80 and 28,689.84 is: 39,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,350.48 : 70,862.80 = 28,689.84 : x
  2. Step 2: Convert to fraction form
    51,350.48/70,862.80 = 28,689.84/x
  3. Step 3: Cross multiply
    51,350.48x = 70,862.80 × 28,689.84
  4. Step 4: Simplify right side
    51,350.48x = 2,033,042,393.95
  5. Step 5: Solve for x
    x = 2,033,042,393.95/51,350.48
  6. Step 6: Final answer
    x = 39,591.50

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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.