Home / 39,342.41-59,031.05-20,617.99

Finding the Fourth Proportional to 39,342.41, 59,031.05 and 20,617.99

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Solution

The fourth proportional to 39,342.41, 59,031.05 and 20,617.99 is: 30,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,342.41 : 59,031.05 = 20,617.99 : x
  2. Step 2: Convert to fraction form
    39,342.41/59,031.05 = 20,617.99/x
  3. Step 3: Cross multiply
    39,342.41x = 59,031.05 × 20,617.99
  4. Step 4: Simplify right side
    39,342.41x = 1,217,101,650.13
  5. Step 5: Solve for x
    x = 1,217,101,650.13/39,342.41
  6. Step 6: Final answer
    x = 30,936.13

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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.