Home / 39,278.01-58,903.80-12,617.46

Finding the Fourth Proportional to 39,278.01, 58,903.80 and 12,617.46

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Solution

The fourth proportional to 39,278.01, 58,903.80 and 12,617.46 is: 18,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.01 : 58,903.80 = 12,617.46 : x
  2. Step 2: Convert to fraction form
    39,278.01/58,903.80 = 12,617.46/x
  3. Step 3: Cross multiply
    39,278.01x = 58,903.80 × 12,617.46
  4. Step 4: Simplify right side
    39,278.01x = 743,216,340.35
  5. Step 5: Solve for x
    x = 743,216,340.35/39,278.01
  6. Step 6: Final answer
    x = 18,921.94

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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.