Home / 52,690.36-72,719.52-30,037.60

Finding the Fourth Proportional to 52,690.36, 72,719.52 and 30,037.60

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Solution

The fourth proportional to 52,690.36, 72,719.52 and 30,037.60 is: 41,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,690.36 : 72,719.52 = 30,037.60 : x
  2. Step 2: Convert to fraction form
    52,690.36/72,719.52 = 30,037.60/x
  3. Step 3: Cross multiply
    52,690.36x = 72,719.52 × 30,037.60
  4. Step 4: Simplify right side
    52,690.36x = 2,184,319,853.95
  5. Step 5: Solve for x
    x = 2,184,319,853.95/52,690.36
  6. Step 6: Final answer
    x = 41,455.78

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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.