Home / 52,209.74-72,049.47-28,336.40

Finding the Fourth Proportional to 52,209.74, 72,049.47 and 28,336.40

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Solution

The fourth proportional to 52,209.74, 72,049.47 and 28,336.40 is: 39,104.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,209.74 : 72,049.47 = 28,336.40 : x
  2. Step 2: Convert to fraction form
    52,209.74/72,049.47 = 28,336.40/x
  3. Step 3: Cross multiply
    52,209.74x = 72,049.47 × 28,336.40
  4. Step 4: Simplify right side
    52,209.74x = 2,041,622,888.09
  5. Step 5: Solve for x
    x = 2,041,622,888.09/52,209.74
  6. Step 6: Final answer
    x = 39,104.26

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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.