Home / 54,166.40-74,749.12-30,292.80

Finding the Fourth Proportional to 54,166.40, 74,749.12 and 30,292.80

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Solution

The fourth proportional to 54,166.40, 74,749.12 and 30,292.80 is: 41,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,166.40 : 74,749.12 = 30,292.80 : x
  2. Step 2: Convert to fraction form
    54,166.40/74,749.12 = 30,292.80/x
  3. Step 3: Cross multiply
    54,166.40x = 74,749.12 × 30,292.80
  4. Step 4: Simplify right side
    54,166.40x = 2,264,360,142.34
  5. Step 5: Solve for x
    x = 2,264,360,142.34/54,166.40
  6. Step 6: Final answer
    x = 41,803.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.