Home / 40,230.20-60,345.30-37,638.20

Finding the Fourth Proportional to 40,230.20, 60,345.30 and 37,638.20

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Solution

The fourth proportional to 40,230.20, 60,345.30 and 37,638.20 is: 56,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230.20 : 60,345.30 = 37,638.20 : x
  2. Step 2: Convert to fraction form
    40,230.20/60,345.30 = 37,638.20/x
  3. Step 3: Cross multiply
    40,230.20x = 60,345.30 × 37,638.20
  4. Step 4: Simplify right side
    40,230.20x = 2,271,288,470.46
  5. Step 5: Solve for x
    x = 2,271,288,470.46/40,230.20
  6. Step 6: Final answer
    x = 56,457.30

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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.