Home / 52,550.49-72,521.22-28,678.70

Finding the Fourth Proportional to 52,550.49, 72,521.22 and 28,678.70

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Solution

The fourth proportional to 52,550.49, 72,521.22 and 28,678.70 is: 39,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,550.49 : 72,521.22 = 28,678.70 : x
  2. Step 2: Convert to fraction form
    52,550.49/72,521.22 = 28,678.70/x
  3. Step 3: Cross multiply
    52,550.49x = 72,521.22 × 28,678.70
  4. Step 4: Simplify right side
    52,550.49x = 2,079,814,312.01
  5. Step 5: Solve for x
    x = 2,079,814,312.01/52,550.49
  6. Step 6: Final answer
    x = 39,577.45

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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.