Home / 29,967.57-41,333.90-21,017.07

Finding the Fourth Proportional to 29,967.57, 41,333.90 and 21,017.07

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Solution

The fourth proportional to 29,967.57, 41,333.90 and 21,017.07 is: 28,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,967.57 : 41,333.90 = 21,017.07 : x
  2. Step 2: Convert to fraction form
    29,967.57/41,333.90 = 21,017.07/x
  3. Step 3: Cross multiply
    29,967.57x = 41,333.90 × 21,017.07
  4. Step 4: Simplify right side
    29,967.57x = 868,717,364.59
  5. Step 5: Solve for x
    x = 868,717,364.59/29,967.57
  6. Step 6: Final answer
    x = 28,988.58

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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.