Home / 35,792.69-49,397.85-20,480.65

Finding the Fourth Proportional to 35,792.69, 49,397.85 and 20,480.65

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Solution

The fourth proportional to 35,792.69, 49,397.85 and 20,480.65 is: 28,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,792.69 : 49,397.85 = 20,480.65 : x
  2. Step 2: Convert to fraction form
    35,792.69/49,397.85 = 20,480.65/x
  3. Step 3: Cross multiply
    35,792.69x = 49,397.85 × 20,480.65
  4. Step 4: Simplify right side
    35,792.69x = 1,011,699,953.11
  5. Step 5: Solve for x
    x = 1,011,699,953.11/35,792.69
  6. Step 6: Final answer
    x = 28,265.55

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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.