Home / 70,421.44-97,181.59-38,589.65

Finding the Fourth Proportional to 70,421.44, 97,181.59 and 38,589.65

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Solution

The fourth proportional to 70,421.44, 97,181.59 and 38,589.65 is: 53,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,421.44 : 97,181.59 = 38,589.65 : x
  2. Step 2: Convert to fraction form
    70,421.44/97,181.59 = 38,589.65/x
  3. Step 3: Cross multiply
    70,421.44x = 97,181.59 × 38,589.65
  4. Step 4: Simplify right side
    70,421.44x = 3,750,203,646.13
  5. Step 5: Solve for x
    x = 3,750,203,646.13/70,421.44
  6. Step 6: Final answer
    x = 53,253.72

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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.