Home / 42,429.20-63,670.60-23,721.51

Finding the Fourth Proportional to 42,429.20, 63,670.60 and 23,721.51

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Solution

The fourth proportional to 42,429.20, 63,670.60 and 23,721.51 is: 35,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,429.20 : 63,670.60 = 23,721.51 : x
  2. Step 2: Convert to fraction form
    42,429.20/63,670.60 = 23,721.51/x
  3. Step 3: Cross multiply
    42,429.20x = 63,670.60 × 23,721.51
  4. Step 4: Simplify right side
    42,429.20x = 1,510,362,774.61
  5. Step 5: Solve for x
    x = 1,510,362,774.61/42,429.20
  6. Step 6: Final answer
    x = 35,597.25

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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.