Home / 48,370.18-72,558.63-20,279.62

Finding the Fourth Proportional to 48,370.18, 72,558.63 and 20,279.62

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Solution

The fourth proportional to 48,370.18, 72,558.63 and 20,279.62 is: 30,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,370.18 : 72,558.63 = 20,279.62 : x
  2. Step 2: Convert to fraction form
    48,370.18/72,558.63 = 20,279.62/x
  3. Step 3: Cross multiply
    48,370.18x = 72,558.63 × 20,279.62
  4. Step 4: Simplify right side
    48,370.18x = 1,471,461,444.12
  5. Step 5: Solve for x
    x = 1,471,461,444.12/48,370.18
  6. Step 6: Final answer
    x = 30,420.84

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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.