Home / 39,685.34-59,547.45-15,991.85

Finding the Fourth Proportional to 39,685.34, 59,547.45 and 15,991.85

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Solution

The fourth proportional to 39,685.34, 59,547.45 and 15,991.85 is: 23,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685.34 : 59,547.45 = 15,991.85 : x
  2. Step 2: Convert to fraction form
    39,685.34/59,547.45 = 15,991.85/x
  3. Step 3: Cross multiply
    39,685.34x = 59,547.45 × 15,991.85
  4. Step 4: Simplify right side
    39,685.34x = 952,273,888.28
  5. Step 5: Solve for x
    x = 952,273,888.28/39,685.34
  6. Step 6: Final answer
    x = 23,995.61

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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.