Home / 70,387.32-97,134.48-38,556.28

Finding the Fourth Proportional to 70,387.32, 97,134.48 and 38,556.28

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Solution

The fourth proportional to 70,387.32, 97,134.48 and 38,556.28 is: 53,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,387.32 : 97,134.48 = 38,556.28 : x
  2. Step 2: Convert to fraction form
    70,387.32/97,134.48 = 38,556.28/x
  3. Step 3: Cross multiply
    70,387.32x = 97,134.48 × 38,556.28
  4. Step 4: Simplify right side
    70,387.32x = 3,745,144,208.53
  5. Step 5: Solve for x
    x = 3,745,144,208.53/70,387.32
  6. Step 6: Final answer
    x = 53,207.65

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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.