Home / 29,079.73-40,136.61-20,017.18

Finding the Fourth Proportional to 29,079.73, 40,136.61 and 20,017.18

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Solution

The fourth proportional to 29,079.73, 40,136.61 and 20,017.18 is: 27,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079.73 : 40,136.61 = 20,017.18 : x
  2. Step 2: Convert to fraction form
    29,079.73/40,136.61 = 20,017.18/x
  3. Step 3: Cross multiply
    29,079.73x = 40,136.61 × 20,017.18
  4. Step 4: Simplify right side
    29,079.73x = 803,421,746.96
  5. Step 5: Solve for x
    x = 803,421,746.96/29,079.73
  6. Step 6: Final answer
    x = 27,628.24

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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.