Home / 48,374.10-72,574.29-20,279.40

Finding the Fourth Proportional to 48,374.10, 72,574.29 and 20,279.40

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Solution

The fourth proportional to 48,374.10, 72,574.29 and 20,279.40 is: 30,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,374.10 : 72,574.29 = 20,279.40 : x
  2. Step 2: Convert to fraction form
    48,374.10/72,574.29 = 20,279.40/x
  3. Step 3: Cross multiply
    48,374.10x = 72,574.29 × 20,279.40
  4. Step 4: Simplify right side
    48,374.10x = 1,471,763,056.63
  5. Step 5: Solve for x
    x = 1,471,763,056.63/48,374.10
  6. Step 6: Final answer
    x = 30,424.61

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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.