Home / 52,215.84-72,055.78-28,341.90

Finding the Fourth Proportional to 52,215.84, 72,055.78 and 28,341.90

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Solution

The fourth proportional to 52,215.84, 72,055.78 and 28,341.90 is: 39,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215.84 : 72,055.78 = 28,341.90 : x
  2. Step 2: Convert to fraction form
    52,215.84/72,055.78 = 28,341.90/x
  3. Step 3: Cross multiply
    52,215.84x = 72,055.78 × 28,341.90
  4. Step 4: Simplify right side
    52,215.84x = 2,042,197,640.33
  5. Step 5: Solve for x
    x = 2,042,197,640.33/52,215.84
  6. Step 6: Final answer
    x = 39,110.69

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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.