Home / 61,069.40-91,617.18-18,948.58

Finding the Fourth Proportional to 61,069.40, 91,617.18 and 18,948.58

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Solution

The fourth proportional to 61,069.40, 91,617.18 and 18,948.58 is: 28,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,069.40 : 91,617.18 = 18,948.58 : x
  2. Step 2: Convert to fraction form
    61,069.40/91,617.18 = 18,948.58/x
  3. Step 3: Cross multiply
    61,069.40x = 91,617.18 × 18,948.58
  4. Step 4: Simplify right side
    61,069.40x = 1,736,015,464.60
  5. Step 5: Solve for x
    x = 1,736,015,464.60/61,069.40
  6. Step 6: Final answer
    x = 28,426.93

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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.