Home / 30,882.24-46,312.95-12,157.35

Finding the Fourth Proportional to 30,882.24, 46,312.95 and 12,157.35

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Solution

The fourth proportional to 30,882.24, 46,312.95 and 12,157.35 is: 18,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.24 : 46,312.95 = 12,157.35 : x
  2. Step 2: Convert to fraction form
    30,882.24/46,312.95 = 12,157.35/x
  3. Step 3: Cross multiply
    30,882.24x = 46,312.95 × 12,157.35
  4. Step 4: Simplify right side
    30,882.24x = 563,042,742.68
  5. Step 5: Solve for x
    x = 563,042,742.68/30,882.24
  6. Step 6: Final answer
    x = 18,231.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.