Home / 35,847.70-49,470.15-19,931.74

Finding the Fourth Proportional to 35,847.70, 49,470.15 and 19,931.74

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Solution

The fourth proportional to 35,847.70, 49,470.15 and 19,931.74 is: 27,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,847.70 : 49,470.15 = 19,931.74 : x
  2. Step 2: Convert to fraction form
    35,847.70/49,470.15 = 19,931.74/x
  3. Step 3: Cross multiply
    35,847.70x = 49,470.15 × 19,931.74
  4. Step 4: Simplify right side
    35,847.70x = 986,026,167.56
  5. Step 5: Solve for x
    x = 986,026,167.56/35,847.70
  6. Step 6: Final answer
    x = 27,505.98

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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.