Home / 64,342.32-96,478.40-19,357.10

Finding the Fourth Proportional to 64,342.32, 96,478.40 and 19,357.10

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Solution

The fourth proportional to 64,342.32, 96,478.40 and 19,357.10 is: 29,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,342.32 : 96,478.40 = 19,357.10 : x
  2. Step 2: Convert to fraction form
    64,342.32/96,478.40 = 19,357.10/x
  3. Step 3: Cross multiply
    64,342.32x = 96,478.40 × 19,357.10
  4. Step 4: Simplify right side
    64,342.32x = 1,867,542,036.64
  5. Step 5: Solve for x
    x = 1,867,542,036.64/64,342.32
  6. Step 6: Final answer
    x = 29,025.10

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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.