Home / 53,728.29-80,571.38-31,547.25

Finding the Fourth Proportional to 53,728.29, 80,571.38 and 31,547.25

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Solution

The fourth proportional to 53,728.29, 80,571.38 and 31,547.25 is: 47,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728.29 : 80,571.38 = 31,547.25 : x
  2. Step 2: Convert to fraction form
    53,728.29/80,571.38 = 31,547.25/x
  3. Step 3: Cross multiply
    53,728.29x = 80,571.38 × 31,547.25
  4. Step 4: Simplify right side
    53,728.29x = 2,541,805,309.97
  5. Step 5: Solve for x
    x = 2,541,805,309.97/53,728.29
  6. Step 6: Final answer
    x = 47,308.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.