Home / 39,778.20-59,665.95-10,196.33

Finding the Fourth Proportional to 39,778.20, 59,665.95 and 10,196.33

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Solution

The fourth proportional to 39,778.20, 59,665.95 and 10,196.33 is: 15,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.20 : 59,665.95 = 10,196.33 : x
  2. Step 2: Convert to fraction form
    39,778.20/59,665.95 = 10,196.33/x
  3. Step 3: Cross multiply
    39,778.20x = 59,665.95 × 10,196.33
  4. Step 4: Simplify right side
    39,778.20x = 608,373,417.63
  5. Step 5: Solve for x
    x = 608,373,417.63/39,778.20
  6. Step 6: Final answer
    x = 15,294.14

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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.