Home / 39,098.09-53,920.50-30,486.38

Finding the Fourth Proportional to 39,098.09, 53,920.50 and 30,486.38

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Solution

The fourth proportional to 39,098.09, 53,920.50 and 30,486.38 is: 42,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,098.09 : 53,920.50 = 30,486.38 : x
  2. Step 2: Convert to fraction form
    39,098.09/53,920.50 = 30,486.38/x
  3. Step 3: Cross multiply
    39,098.09x = 53,920.50 × 30,486.38
  4. Step 4: Simplify right side
    39,098.09x = 1,643,840,852.79
  5. Step 5: Solve for x
    x = 1,643,840,852.79/39,098.09
  6. Step 6: Final answer
    x = 42,044.02

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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.