Home / 39,242.60-54,130.48-34,218.88

Finding the Fourth Proportional to 39,242.60, 54,130.48 and 34,218.88

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Solution

The fourth proportional to 39,242.60, 54,130.48 and 34,218.88 is: 47,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,242.60 : 54,130.48 = 34,218.88 : x
  2. Step 2: Convert to fraction form
    39,242.60/54,130.48 = 34,218.88/x
  3. Step 3: Cross multiply
    39,242.60x = 54,130.48 × 34,218.88
  4. Step 4: Simplify right side
    39,242.60x = 1,852,284,399.46
  5. Step 5: Solve for x
    x = 1,852,284,399.46/39,242.60
  6. Step 6: Final answer
    x = 47,200.86

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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.