Home / 39,342.66-59,031.43-20,618.24

Finding the Fourth Proportional to 39,342.66, 59,031.43 and 20,618.24

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Solution

The fourth proportional to 39,342.66, 59,031.43 and 20,618.24 is: 30,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,342.66 : 59,031.43 = 20,618.24 : x
  2. Step 2: Convert to fraction form
    39,342.66/59,031.43 = 20,618.24/x
  3. Step 3: Cross multiply
    39,342.66x = 59,031.43 × 20,618.24
  4. Step 4: Simplify right side
    39,342.66x = 1,217,124,191.28
  5. Step 5: Solve for x
    x = 1,217,124,191.28/39,342.66
  6. Step 6: Final answer
    x = 30,936.50

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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.