Home / 61,011.45-91,514.46-16,638.21

Finding the Fourth Proportional to 61,011.45, 91,514.46 and 16,638.21

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Solution

The fourth proportional to 61,011.45, 91,514.46 and 16,638.21 is: 24,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,011.45 : 91,514.46 = 16,638.21 : x
  2. Step 2: Convert to fraction form
    61,011.45/91,514.46 = 16,638.21/x
  3. Step 3: Cross multiply
    61,011.45x = 91,514.46 × 16,638.21
  4. Step 4: Simplify right side
    61,011.45x = 1,522,636,803.52
  5. Step 5: Solve for x
    x = 1,522,636,803.52/61,011.45
  6. Step 6: Final answer
    x = 24,956.57

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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.