Home / 29,085.67-40,138.30-16,510.42

Finding the Fourth Proportional to 29,085.67, 40,138.30 and 16,510.42

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Solution

The fourth proportional to 29,085.67, 40,138.30 and 16,510.42 is: 22,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,085.67 : 40,138.30 = 16,510.42 : x
  2. Step 2: Convert to fraction form
    29,085.67/40,138.30 = 16,510.42/x
  3. Step 3: Cross multiply
    29,085.67x = 40,138.30 × 16,510.42
  4. Step 4: Simplify right side
    29,085.67x = 662,700,191.09
  5. Step 5: Solve for x
    x = 662,700,191.09/29,085.67
  6. Step 6: Final answer
    x = 22,784.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.