Home / 52,648.65-72,656.19-28,776.33

Finding the Fourth Proportional to 52,648.65, 72,656.19 and 28,776.33

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Solution

The fourth proportional to 52,648.65, 72,656.19 and 28,776.33 is: 39,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.65 : 72,656.19 = 28,776.33 : x
  2. Step 2: Convert to fraction form
    52,648.65/72,656.19 = 28,776.33/x
  3. Step 3: Cross multiply
    52,648.65x = 72,656.19 × 28,776.33
  4. Step 4: Simplify right side
    52,648.65x = 2,090,778,499.98
  5. Step 5: Solve for x
    x = 2,090,778,499.98/52,648.65
  6. Step 6: Final answer
    x = 39,711.91

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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.