Home / 51,385.33-70,912.15-28,725.24

Finding the Fourth Proportional to 51,385.33, 70,912.15 and 28,725.24

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Solution

The fourth proportional to 51,385.33, 70,912.15 and 28,725.24 is: 39,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,385.33 : 70,912.15 = 28,725.24 : x
  2. Step 2: Convert to fraction form
    51,385.33/70,912.15 = 28,725.24/x
  3. Step 3: Cross multiply
    51,385.33x = 70,912.15 × 28,725.24
  4. Step 4: Simplify right side
    51,385.33x = 2,036,968,721.77
  5. Step 5: Solve for x
    x = 2,036,968,721.77/51,385.33
  6. Step 6: Final answer
    x = 39,641.05

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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.