Home / 53,862.80-80,805.84-16,421.90

Finding the Fourth Proportional to 53,862.80, 80,805.84 and 16,421.90

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Solution

The fourth proportional to 53,862.80, 80,805.84 and 16,421.90 is: 24,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.80 : 80,805.84 = 16,421.90 : x
  2. Step 2: Convert to fraction form
    53,862.80/80,805.84 = 16,421.90/x
  3. Step 3: Cross multiply
    53,862.80x = 80,805.84 × 16,421.90
  4. Step 4: Simplify right side
    53,862.80x = 1,326,985,423.90
  5. Step 5: Solve for x
    x = 1,326,985,423.90/53,862.80
  6. Step 6: Final answer
    x = 24,636.40

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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.