Home / 48,298.16-72,405.40-18,695.60

Finding the Fourth Proportional to 48,298.16, 72,405.40 and 18,695.60

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Solution

The fourth proportional to 48,298.16, 72,405.40 and 18,695.60 is: 28,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,298.16 : 72,405.40 = 18,695.60 : x
  2. Step 2: Convert to fraction form
    48,298.16/72,405.40 = 18,695.60/x
  3. Step 3: Cross multiply
    48,298.16x = 72,405.40 × 18,695.60
  4. Step 4: Simplify right side
    48,298.16x = 1,353,662,396.24
  5. Step 5: Solve for x
    x = 1,353,662,396.24/48,298.16
  6. Step 6: Final answer
    x = 28,027.20

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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.