Home / 70,619.04-97,449.48-38,789.28

Finding the Fourth Proportional to 70,619.04, 97,449.48 and 38,789.28

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Solution

The fourth proportional to 70,619.04, 97,449.48 and 38,789.28 is: 53,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,619.04 : 97,449.48 = 38,789.28 : x
  2. Step 2: Convert to fraction form
    70,619.04/97,449.48 = 38,789.28/x
  3. Step 3: Cross multiply
    70,619.04x = 97,449.48 × 38,789.28
  4. Step 4: Simplify right side
    70,619.04x = 3,779,995,165.57
  5. Step 5: Solve for x
    x = 3,779,995,165.57/70,619.04
  6. Step 6: Final answer
    x = 53,526.57

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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.