Home / 43,337.10-65,005.65-40,421.10

Finding the Fourth Proportional to 43,337.10, 65,005.65 and 40,421.10

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Solution

The fourth proportional to 43,337.10, 65,005.65 and 40,421.10 is: 60,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,337.10 : 65,005.65 = 40,421.10 : x
  2. Step 2: Convert to fraction form
    43,337.10/65,005.65 = 40,421.10/x
  3. Step 3: Cross multiply
    43,337.10x = 65,005.65 × 40,421.10
  4. Step 4: Simplify right side
    43,337.10x = 2,627,599,879.22
  5. Step 5: Solve for x
    x = 2,627,599,879.22/43,337.10
  6. Step 6: Final answer
    x = 60,631.65

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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.