Home / 79,229.50-118,695.93-39,740.38

Finding the Fourth Proportional to 79,229.50, 118,695.93 and 39,740.38

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Solution

The fourth proportional to 79,229.50, 118,695.93 and 39,740.38 is: 59,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,229.50 : 118,695.93 = 39,740.38 : x
  2. Step 2: Convert to fraction form
    79,229.50/118,695.93 = 39,740.38/x
  3. Step 3: Cross multiply
    79,229.50x = 118,695.93 × 39,740.38
  4. Step 4: Simplify right side
    79,229.50x = 4,717,021,362.65
  5. Step 5: Solve for x
    x = 4,717,021,362.65/79,229.50
  6. Step 6: Final answer
    x = 59,536.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.