Home / 42,947.36-64,439.58-23,239.82

Finding the Fourth Proportional to 42,947.36, 64,439.58 and 23,239.82

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Solution

The fourth proportional to 42,947.36, 64,439.58 and 23,239.82 is: 34,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,947.36 : 64,439.58 = 23,239.82 : x
  2. Step 2: Convert to fraction form
    42,947.36/64,439.58 = 23,239.82/x
  3. Step 3: Cross multiply
    42,947.36x = 64,439.58 × 23,239.82
  4. Step 4: Simplify right side
    42,947.36x = 1,497,564,240.08
  5. Step 5: Solve for x
    x = 1,497,564,240.08/42,947.36
  6. Step 6: Final answer
    x = 34,869.76

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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.