Home / 42,427.20-63,667.60-23,719.51

Finding the Fourth Proportional to 42,427.20, 63,667.60 and 23,719.51

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Solution

The fourth proportional to 42,427.20, 63,667.60 and 23,719.51 is: 35,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,427.20 : 63,667.60 = 23,719.51 : x
  2. Step 2: Convert to fraction form
    42,427.20/63,667.60 = 23,719.51/x
  3. Step 3: Cross multiply
    42,427.20x = 63,667.60 × 23,719.51
  4. Step 4: Simplify right side
    42,427.20x = 1,510,164,428.58
  5. Step 5: Solve for x
    x = 1,510,164,428.58/42,427.20
  6. Step 6: Final answer
    x = 35,594.25

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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.