Home / 39,775.68-59,662.12-10,193.76

Finding the Fourth Proportional to 39,775.68, 59,662.12 and 10,193.76

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Solution

The fourth proportional to 39,775.68, 59,662.12 and 10,193.76 is: 15,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,775.68 : 59,662.12 = 10,193.76 : x
  2. Step 2: Convert to fraction form
    39,775.68/59,662.12 = 10,193.76/x
  3. Step 3: Cross multiply
    39,775.68x = 59,662.12 × 10,193.76
  4. Step 4: Simplify right side
    39,775.68x = 608,181,332.37
  5. Step 5: Solve for x
    x = 608,181,332.37/39,775.68
  6. Step 6: Final answer
    x = 15,290.28

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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.