Home / 54,628.32-75,386.84-30,755.04

Finding the Fourth Proportional to 54,628.32, 75,386.84 and 30,755.04

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Solution

The fourth proportional to 54,628.32, 75,386.84 and 30,755.04 is: 42,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,628.32 : 75,386.84 = 30,755.04 : x
  2. Step 2: Convert to fraction form
    54,628.32/75,386.84 = 30,755.04/x
  3. Step 3: Cross multiply
    54,628.32x = 75,386.84 × 30,755.04
  4. Step 4: Simplify right side
    54,628.32x = 2,318,525,279.67
  5. Step 5: Solve for x
    x = 2,318,525,279.67/54,628.32
  6. Step 6: Final answer
    x = 42,441.82

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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.