Home / 39,228.69-58,842.51-9,646.78

Finding the Fourth Proportional to 39,228.69, 58,842.51 and 9,646.78

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Solution

The fourth proportional to 39,228.69, 58,842.51 and 9,646.78 is: 14,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,228.69 : 58,842.51 = 9,646.78 : x
  2. Step 2: Convert to fraction form
    39,228.69/58,842.51 = 9,646.78/x
  3. Step 3: Cross multiply
    39,228.69x = 58,842.51 × 9,646.78
  4. Step 4: Simplify right side
    39,228.69x = 567,640,454.41
  5. Step 5: Solve for x
    x = 567,640,454.41/39,228.69
  6. Step 6: Final answer
    x = 14,470.04

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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.