Home / 52,215.28-72,057.14-28,341.94

Finding the Fourth Proportional to 52,215.28, 72,057.14 and 28,341.94

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Solution

The fourth proportional to 52,215.28, 72,057.14 and 28,341.94 is: 39,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215.28 : 72,057.14 = 28,341.94 : x
  2. Step 2: Convert to fraction form
    52,215.28/72,057.14 = 28,341.94/x
  3. Step 3: Cross multiply
    52,215.28x = 72,057.14 × 28,341.94
  4. Step 4: Simplify right side
    52,215.28x = 2,042,239,138.45
  5. Step 5: Solve for x
    x = 2,042,239,138.45/52,215.28
  6. Step 6: Final answer
    x = 39,111.91

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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.