Home / 42,343.40-63,501.79-15,322.26

Finding the Fourth Proportional to 42,343.40, 63,501.79 and 15,322.26

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Solution

The fourth proportional to 42,343.40, 63,501.79 and 15,322.26 is: 22,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,343.40 : 63,501.79 = 15,322.26 : x
  2. Step 2: Convert to fraction form
    42,343.40/63,501.79 = 15,322.26/x
  3. Step 3: Cross multiply
    42,343.40x = 63,501.79 × 15,322.26
  4. Step 4: Simplify right side
    42,343.40x = 972,990,936.85
  5. Step 5: Solve for x
    x = 972,990,936.85/42,343.40
  6. Step 6: Final answer
    x = 22,978.57

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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.