Home / 43,417.81-65,113.25-15,331.40

Finding the Fourth Proportional to 43,417.81, 65,113.25 and 15,331.40

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Solution

The fourth proportional to 43,417.81, 65,113.25 and 15,331.40 is: 22,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,417.81 : 65,113.25 = 15,331.40 : x
  2. Step 2: Convert to fraction form
    43,417.81/65,113.25 = 15,331.40/x
  3. Step 3: Cross multiply
    43,417.81x = 65,113.25 × 15,331.40
  4. Step 4: Simplify right side
    43,417.81x = 998,276,878.83
  5. Step 5: Solve for x
    x = 998,276,878.83/43,417.81
  6. Step 6: Final answer
    x = 22,992.34

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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.