Home / 53,168.10-79,752.14-15,725.25

Finding the Fourth Proportional to 53,168.10, 79,752.14 and 15,725.25

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Solution

The fourth proportional to 53,168.10, 79,752.14 and 15,725.25 is: 23,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,168.10 : 79,752.14 = 15,725.25 : x
  2. Step 2: Convert to fraction form
    53,168.10/79,752.14 = 15,725.25/x
  3. Step 3: Cross multiply
    53,168.10x = 79,752.14 × 15,725.25
  4. Step 4: Simplify right side
    53,168.10x = 1,254,122,618.95
  5. Step 5: Solve for x
    x = 1,254,122,618.95/53,168.10
  6. Step 6: Final answer
    x = 23,587.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.