Home / 61,185.20-84,435.64-35,709.08

Finding the Fourth Proportional to 61,185.20, 84,435.64 and 35,709.08

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Solution

The fourth proportional to 61,185.20, 84,435.64 and 35,709.08 is: 49,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,185.20 : 84,435.64 = 35,709.08 : x
  2. Step 2: Convert to fraction form
    61,185.20/84,435.64 = 35,709.08/x
  3. Step 3: Cross multiply
    61,185.20x = 84,435.64 × 35,709.08
  4. Step 4: Simplify right side
    61,185.20x = 3,015,119,023.61
  5. Step 5: Solve for x
    x = 3,015,119,023.61/61,185.20
  6. Step 6: Final answer
    x = 49,278.57

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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.