Home / 40,234.70-60,313.65-31,345.10

Finding the Fourth Proportional to 40,234.70, 60,313.65 and 31,345.10

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Solution

The fourth proportional to 40,234.70, 60,313.65 and 31,345.10 is: 46,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.70 : 60,313.65 = 31,345.10 : x
  2. Step 2: Convert to fraction form
    40,234.70/60,313.65 = 31,345.10/x
  3. Step 3: Cross multiply
    40,234.70x = 60,313.65 × 31,345.10
  4. Step 4: Simplify right side
    40,234.70x = 1,890,537,390.62
  5. Step 5: Solve for x
    x = 1,890,537,390.62/40,234.70
  6. Step 6: Final answer
    x = 46,987.73

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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.