Home / 48,095.20-72,142.80-20,014.72

Finding the Fourth Proportional to 48,095.20, 72,142.80 and 20,014.72

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Solution

The fourth proportional to 48,095.20, 72,142.80 and 20,014.72 is: 30,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,095.20 : 72,142.80 = 20,014.72 : x
  2. Step 2: Convert to fraction form
    48,095.20/72,142.80 = 20,014.72/x
  3. Step 3: Cross multiply
    48,095.20x = 72,142.80 × 20,014.72
  4. Step 4: Simplify right side
    48,095.20x = 1,443,917,942.02
  5. Step 5: Solve for x
    x = 1,443,917,942.02/48,095.20
  6. Step 6: Final answer
    x = 30,022.08

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1.5x scale

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.