Home / 48,434.09-66,838.19-29,571.21

Finding the Fourth Proportional to 48,434.09, 66,838.19 and 29,571.21

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Solution

The fourth proportional to 48,434.09, 66,838.19 and 29,571.21 is: 40,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,434.09 : 66,838.19 = 29,571.21 : x
  2. Step 2: Convert to fraction form
    48,434.09/66,838.19 = 29,571.21/x
  3. Step 3: Cross multiply
    48,434.09x = 66,838.19 × 29,571.21
  4. Step 4: Simplify right side
    48,434.09x = 1,976,486,004.65
  5. Step 5: Solve for x
    x = 1,976,486,004.65/48,434.09
  6. Step 6: Final answer
    x = 40,807.75

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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.