Home / 30,860.22-42,587.22-17,431.62

Finding the Fourth Proportional to 30,860.22, 42,587.22 and 17,431.62

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Solution

The fourth proportional to 30,860.22, 42,587.22 and 17,431.62 is: 24,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.22 : 42,587.22 = 17,431.62 : x
  2. Step 2: Convert to fraction form
    30,860.22/42,587.22 = 17,431.62/x
  3. Step 3: Cross multiply
    30,860.22x = 42,587.22 × 17,431.62
  4. Step 4: Simplify right side
    30,860.22x = 742,364,235.90
  5. Step 5: Solve for x
    x = 742,364,235.90/30,860.22
  6. Step 6: Final answer
    x = 24,055.70

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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.