Home / 30,856.46-46,275.11-11,132.45

Finding the Fourth Proportional to 30,856.46, 46,275.11 and 11,132.45

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Solution

The fourth proportional to 30,856.46, 46,275.11 and 11,132.45 is: 16,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856.46 : 46,275.11 = 11,132.45 : x
  2. Step 2: Convert to fraction form
    30,856.46/46,275.11 = 11,132.45/x
  3. Step 3: Cross multiply
    30,856.46x = 46,275.11 × 11,132.45
  4. Step 4: Simplify right side
    30,856.46x = 515,155,061.28
  5. Step 5: Solve for x
    x = 515,155,061.28/30,856.46
  6. Step 6: Final answer
    x = 16,695.21

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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.