Home / 39,245.12-54,130.96-25,812.16

Finding the Fourth Proportional to 39,245.12, 54,130.96 and 25,812.16

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Solution

The fourth proportional to 39,245.12, 54,130.96 and 25,812.16 is: 35,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245.12 : 54,130.96 = 25,812.16 : x
  2. Step 2: Convert to fraction form
    39,245.12/54,130.96 = 25,812.16/x
  3. Step 3: Cross multiply
    39,245.12x = 54,130.96 × 25,812.16
  4. Step 4: Simplify right side
    39,245.12x = 1,397,237,000.47
  5. Step 5: Solve for x
    x = 1,397,237,000.47/39,245.12
  6. Step 6: Final answer
    x = 35,602.82

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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.