Home / 43,699.38-65,510.19-20,313.06

Finding the Fourth Proportional to 43,699.38, 65,510.19 and 20,313.06

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Solution

The fourth proportional to 43,699.38, 65,510.19 and 20,313.06 is: 30,451.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,699.38 : 65,510.19 = 20,313.06 : x
  2. Step 2: Convert to fraction form
    43,699.38/65,510.19 = 20,313.06/x
  3. Step 3: Cross multiply
    43,699.38x = 65,510.19 × 20,313.06
  4. Step 4: Simplify right side
    43,699.38x = 1,330,712,420.08
  5. Step 5: Solve for x
    x = 1,330,712,420.08/43,699.38
  6. Step 6: Final answer
    x = 30,451.52

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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.