Home / 42,932.49-64,353.28-14,442.32

Finding the Fourth Proportional to 42,932.49, 64,353.28 and 14,442.32

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Solution

The fourth proportional to 42,932.49, 64,353.28 and 14,442.32 is: 21,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,932.49 : 64,353.28 = 14,442.32 : x
  2. Step 2: Convert to fraction form
    42,932.49/64,353.28 = 14,442.32/x
  3. Step 3: Cross multiply
    42,932.49x = 64,353.28 × 14,442.32
  4. Step 4: Simplify right side
    42,932.49x = 929,410,662.81
  5. Step 5: Solve for x
    x = 929,410,662.81/42,932.49
  6. Step 6: Final answer
    x = 21,648.19

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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.