Home / 53,271.80-79,886.92-19,973.71

Finding the Fourth Proportional to 53,271.80, 79,886.92 and 19,973.71

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Solution

The fourth proportional to 53,271.80, 79,886.92 and 19,973.71 is: 29,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,271.80 : 79,886.92 = 19,973.71 : x
  2. Step 2: Convert to fraction form
    53,271.80/79,886.92 = 19,973.71/x
  3. Step 3: Cross multiply
    53,271.80x = 79,886.92 × 19,973.71
  4. Step 4: Simplify right side
    53,271.80x = 1,595,638,073.00
  5. Step 5: Solve for x
    x = 1,595,638,073.00/53,271.80
  6. Step 6: Final answer
    x = 29,952.77

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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.