Home / 54,598.10-75,345.12-30,725.17

Finding the Fourth Proportional to 54,598.10, 75,345.12 and 30,725.17

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Solution

The fourth proportional to 54,598.10, 75,345.12 and 30,725.17 is: 42,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,598.10 : 75,345.12 = 30,725.17 : x
  2. Step 2: Convert to fraction form
    54,598.10/75,345.12 = 30,725.17/x
  3. Step 3: Cross multiply
    54,598.10x = 75,345.12 × 30,725.17
  4. Step 4: Simplify right side
    54,598.10x = 2,314,991,620.67
  5. Step 5: Solve for x
    x = 2,314,991,620.67/54,598.10
  6. Step 6: Final answer
    x = 42,400.59

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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.