Home / 70,548.20-97,357.68-38,720.06

Finding the Fourth Proportional to 70,548.20, 97,357.68 and 38,720.06

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Solution

The fourth proportional to 70,548.20, 97,357.68 and 38,720.06 is: 53,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,548.20 : 97,357.68 = 38,720.06 : x
  2. Step 2: Convert to fraction form
    70,548.20/97,357.68 = 38,720.06/x
  3. Step 3: Cross multiply
    70,548.20x = 97,357.68 × 38,720.06
  4. Step 4: Simplify right side
    70,548.20x = 3,769,694,724.27
  5. Step 5: Solve for x
    x = 3,769,694,724.27/70,548.20
  6. Step 6: Final answer
    x = 53,434.32

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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.