Home / 75,054.16-112,470-30,627.28

Finding the Fourth Proportional to 75,054.16, 112,470 and 30,627.28

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Solution

The fourth proportional to 75,054.16, 112,470 and 30,627.28 is: 45,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,054.16 : 112,470 = 30,627.28 : x
  2. Step 2: Convert to fraction form
    75,054.16/112,470 = 30,627.28/x
  3. Step 3: Cross multiply
    75,054.16x = 112,470 × 30,627.28
  4. Step 4: Simplify right side
    75,054.16x = 3,444,650,181.60
  5. Step 5: Solve for x
    x = 3,444,650,181.60/75,054.16
  6. Step 6: Final answer
    x = 45,895.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.