Home / 30,823.23-42,522.50-18,069.93

Finding the Fourth Proportional to 30,823.23, 42,522.50 and 18,069.93

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Solution

The fourth proportional to 30,823.23, 42,522.50 and 18,069.93 is: 24,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823.23 : 42,522.50 = 18,069.93 : x
  2. Step 2: Convert to fraction form
    30,823.23/42,522.50 = 18,069.93/x
  3. Step 3: Cross multiply
    30,823.23x = 42,522.50 × 18,069.93
  4. Step 4: Simplify right side
    30,823.23x = 768,378,508.08
  5. Step 5: Solve for x
    x = 768,378,508.08/30,823.23
  6. Step 6: Final answer
    x = 24,928.55

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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.