Home / 40,654.23-61,007.38-21,947.30

Finding the Fourth Proportional to 40,654.23, 61,007.38 and 21,947.30

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Solution

The fourth proportional to 40,654.23, 61,007.38 and 21,947.30 is: 32,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,654.23 : 61,007.38 = 21,947.30 : x
  2. Step 2: Convert to fraction form
    40,654.23/61,007.38 = 21,947.30/x
  3. Step 3: Cross multiply
    40,654.23x = 61,007.38 × 21,947.30
  4. Step 4: Simplify right side
    40,654.23x = 1,338,947,271.07
  5. Step 5: Solve for x
    x = 1,338,947,271.07/40,654.23
  6. Step 6: Final answer
    x = 32,935.01

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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.