Home / 39,046.40-53,851.20-30,083.84

Finding the Fourth Proportional to 39,046.40, 53,851.20 and 30,083.84

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Solution

The fourth proportional to 39,046.40, 53,851.20 and 30,083.84 is: 41,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,046.40 : 53,851.20 = 30,083.84 : x
  2. Step 2: Convert to fraction form
    39,046.40/53,851.20 = 30,083.84/x
  3. Step 3: Cross multiply
    39,046.40x = 53,851.20 × 30,083.84
  4. Step 4: Simplify right side
    39,046.40x = 1,620,050,884.61
  5. Step 5: Solve for x
    x = 1,620,050,884.61/39,046.40
  6. Step 6: Final answer
    x = 41,490.40

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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.