Home / 38,359.28-52,935.26-21,363.06

Finding the Fourth Proportional to 38,359.28, 52,935.26 and 21,363.06

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Solution

The fourth proportional to 38,359.28, 52,935.26 and 21,363.06 is: 29,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,359.28 : 52,935.26 = 21,363.06 : x
  2. Step 2: Convert to fraction form
    38,359.28/52,935.26 = 21,363.06/x
  3. Step 3: Cross multiply
    38,359.28x = 52,935.26 × 21,363.06
  4. Step 4: Simplify right side
    38,359.28x = 1,130,859,135.50
  5. Step 5: Solve for x
    x = 1,130,859,135.50/38,359.28
  6. Step 6: Final answer
    x = 29,480.72

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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.