Home / 54,037.64-74,571.65-31,382.20

Finding the Fourth Proportional to 54,037.64, 74,571.65 and 31,382.20

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Solution

The fourth proportional to 54,037.64, 74,571.65 and 31,382.20 is: 43,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,037.64 : 74,571.65 = 31,382.20 : x
  2. Step 2: Convert to fraction form
    54,037.64/74,571.65 = 31,382.20/x
  3. Step 3: Cross multiply
    54,037.64x = 74,571.65 × 31,382.20
  4. Step 4: Simplify right side
    54,037.64x = 2,340,222,434.63
  5. Step 5: Solve for x
    x = 2,340,222,434.63/54,037.64
  6. Step 6: Final answer
    x = 43,307.27

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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.