Home / 39,740.08-59,610-10,157.92

Finding the Fourth Proportional to 39,740.08, 59,610 and 10,157.92

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Solution

The fourth proportional to 39,740.08, 59,610 and 10,157.92 is: 15,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,740.08 : 59,610 = 10,157.92 : x
  2. Step 2: Convert to fraction form
    39,740.08/59,610 = 10,157.92/x
  3. Step 3: Cross multiply
    39,740.08x = 59,610 × 10,157.92
  4. Step 4: Simplify right side
    39,740.08x = 605,513,611.20
  5. Step 5: Solve for x
    x = 605,513,611.20/39,740.08
  6. Step 6: Final answer
    x = 15,236.85

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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.