Home / 40,688.96-61,014.29-15,740.75

Finding the Fourth Proportional to 40,688.96, 61,014.29 and 15,740.75

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Solution

The fourth proportional to 40,688.96, 61,014.29 and 15,740.75 is: 23,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.96 : 61,014.29 = 15,740.75 : x
  2. Step 2: Convert to fraction form
    40,688.96/61,014.29 = 15,740.75/x
  3. Step 3: Cross multiply
    40,688.96x = 61,014.29 × 15,740.75
  4. Step 4: Simplify right side
    40,688.96x = 960,410,301.54
  5. Step 5: Solve for x
    x = 960,410,301.54/40,688.96
  6. Step 6: Final answer
    x = 23,603.71

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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.