Home / 53,368.60-80,054.52-18,307.75

Finding the Fourth Proportional to 53,368.60, 80,054.52 and 18,307.75

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Solution

The fourth proportional to 53,368.60, 80,054.52 and 18,307.75 is: 27,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,368.60 : 80,054.52 = 18,307.75 : x
  2. Step 2: Convert to fraction form
    53,368.60/80,054.52 = 18,307.75/x
  3. Step 3: Cross multiply
    53,368.60x = 80,054.52 × 18,307.75
  4. Step 4: Simplify right side
    53,368.60x = 1,465,618,138.53
  5. Step 5: Solve for x
    x = 1,465,618,138.53/53,368.60
  6. Step 6: Final answer
    x = 27,462.18

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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.