Home / 71,444.96-98,595.24-39,615.20

Finding the Fourth Proportional to 71,444.96, 98,595.24 and 39,615.20

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Solution

The fourth proportional to 71,444.96, 98,595.24 and 39,615.20 is: 54,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,444.96 : 98,595.24 = 39,615.20 : x
  2. Step 2: Convert to fraction form
    71,444.96/98,595.24 = 39,615.20/x
  3. Step 3: Cross multiply
    71,444.96x = 98,595.24 × 39,615.20
  4. Step 4: Simplify right side
    71,444.96x = 3,905,870,151.65
  5. Step 5: Solve for x
    x = 3,905,870,151.65/71,444.96
  6. Step 6: Final answer
    x = 54,669.64

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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.