Home / 35,123.81-48,470.91-19,810.56

Finding the Fourth Proportional to 35,123.81, 48,470.91 and 19,810.56

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Solution

The fourth proportional to 35,123.81, 48,470.91 and 19,810.56 is: 27,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,123.81 : 48,470.91 = 19,810.56 : x
  2. Step 2: Convert to fraction form
    35,123.81/48,470.91 = 19,810.56/x
  3. Step 3: Cross multiply
    35,123.81x = 48,470.91 × 19,810.56
  4. Step 4: Simplify right side
    35,123.81x = 960,235,821.28
  5. Step 5: Solve for x
    x = 960,235,821.28/35,123.81
  6. Step 6: Final answer
    x = 27,338.60

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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.