Home / 53,530.27-80,304.41-18,461.72

Finding the Fourth Proportional to 53,530.27, 80,304.41 and 18,461.72

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Solution

The fourth proportional to 53,530.27, 80,304.41 and 18,461.72 is: 27,695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,530.27 : 80,304.41 = 18,461.72 : x
  2. Step 2: Convert to fraction form
    53,530.27/80,304.41 = 18,461.72/x
  3. Step 3: Cross multiply
    53,530.27x = 80,304.41 × 18,461.72
  4. Step 4: Simplify right side
    53,530.27x = 1,482,557,779.10
  5. Step 5: Solve for x
    x = 1,482,557,779.10/53,530.27
  6. Step 6: Final answer
    x = 27,695.69

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1.5x scale

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.