Home / 30,867.20-42,594.22-17,439.63

Finding the Fourth Proportional to 30,867.20, 42,594.22 and 17,439.63

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Solution

The fourth proportional to 30,867.20, 42,594.22 and 17,439.63 is: 24,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867.20 : 42,594.22 = 17,439.63 : x
  2. Step 2: Convert to fraction form
    30,867.20/42,594.22 = 17,439.63/x
  3. Step 3: Cross multiply
    30,867.20x = 42,594.22 × 17,439.63
  4. Step 4: Simplify right side
    30,867.20x = 742,827,436.94
  5. Step 5: Solve for x
    x = 742,827,436.94/30,867.20
  6. Step 6: Final answer
    x = 24,065.27

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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.