Home / 34,792.81-52,142.74-18,117.88

Finding the Fourth Proportional to 34,792.81, 52,142.74 and 18,117.88

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Solution

The fourth proportional to 34,792.81, 52,142.74 and 18,117.88 is: 27,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,792.81 : 52,142.74 = 18,117.88 : x
  2. Step 2: Convert to fraction form
    34,792.81/52,142.74 = 18,117.88/x
  3. Step 3: Cross multiply
    34,792.81x = 52,142.74 × 18,117.88
  4. Step 4: Simplify right side
    34,792.81x = 944,715,730.54
  5. Step 5: Solve for x
    x = 944,715,730.54/34,792.81
  6. Step 6: Final answer
    x = 27,152.62

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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.