Home / 54,312.31-74,950.81-31,664.71

Finding the Fourth Proportional to 54,312.31, 74,950.81 and 31,664.71

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Solution

The fourth proportional to 54,312.31, 74,950.81 and 31,664.71 is: 43,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.31 : 74,950.81 = 31,664.71 : x
  2. Step 2: Convert to fraction form
    54,312.31/74,950.81 = 31,664.71/x
  3. Step 3: Cross multiply
    54,312.31x = 74,950.81 × 31,664.71
  4. Step 4: Simplify right side
    54,312.31x = 2,373,295,662.92
  5. Step 5: Solve for x
    x = 2,373,295,662.92/54,312.31
  6. Step 6: Final answer
    x = 43,697.20

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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.