Home / 30,706.62-42,374.63-17,277.86

Finding the Fourth Proportional to 30,706.62, 42,374.63 and 17,277.86

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Solution

The fourth proportional to 30,706.62, 42,374.63 and 17,277.86 is: 23,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,706.62 : 42,374.63 = 17,277.86 : x
  2. Step 2: Convert to fraction form
    30,706.62/42,374.63 = 17,277.86/x
  3. Step 3: Cross multiply
    30,706.62x = 42,374.63 × 17,277.86
  4. Step 4: Simplify right side
    30,706.62x = 732,142,924.69
  5. Step 5: Solve for x
    x = 732,142,924.69/30,706.62
  6. Step 6: Final answer
    x = 23,843.16

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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.