Home / 54,632.40-75,405.24-31,974

Finding the Fourth Proportional to 54,632.40, 75,405.24 and 31,974

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Solution

The fourth proportional to 54,632.40, 75,405.24 and 31,974 is: 44,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,632.40 : 75,405.24 = 31,974 : x
  2. Step 2: Convert to fraction form
    54,632.40/75,405.24 = 31,974/x
  3. Step 3: Cross multiply
    54,632.40x = 75,405.24 × 31,974
  4. Step 4: Simplify right side
    54,632.40x = 2,411,007,143.76
  5. Step 5: Solve for x
    x = 2,411,007,143.76/54,632.40
  6. Step 6: Final answer
    x = 44,131.45

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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.