Home / 53,271.38-79,886.30-19,973.30

Finding the Fourth Proportional to 53,271.38, 79,886.30 and 19,973.30

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Solution

The fourth proportional to 53,271.38, 79,886.30 and 19,973.30 is: 29,952.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,271.38 : 79,886.30 = 19,973.30 : x
  2. Step 2: Convert to fraction form
    53,271.38/79,886.30 = 19,973.30/x
  3. Step 3: Cross multiply
    53,271.38x = 79,886.30 × 19,973.30
  4. Step 4: Simplify right side
    53,271.38x = 1,595,592,935.92
  5. Step 5: Solve for x
    x = 1,595,592,935.92/53,271.38
  6. Step 6: Final answer
    x = 29,952.16

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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.