Home / 31,981.05-47,971.58-17,196.93

Finding the Fourth Proportional to 31,981.05, 47,971.58 and 17,196.93

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Solution

The fourth proportional to 31,981.05, 47,971.58 and 17,196.93 is: 25,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,981.05 : 47,971.58 = 17,196.93 : x
  2. Step 2: Convert to fraction form
    31,981.05/47,971.58 = 17,196.93/x
  3. Step 3: Cross multiply
    31,981.05x = 47,971.58 × 17,196.93
  4. Step 4: Simplify right side
    31,981.05x = 824,963,817.26
  5. Step 5: Solve for x
    x = 824,963,817.26/31,981.05
  6. Step 6: Final answer
    x = 25,795.40

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Similar ratio
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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.