Home / 31,407.37-47,110.68-9,219.95

Finding the Fourth Proportional to 31,407.37, 47,110.68 and 9,219.95

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Solution

The fourth proportional to 31,407.37, 47,110.68 and 9,219.95 is: 13,829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.37 : 47,110.68 = 9,219.95 : x
  2. Step 2: Convert to fraction form
    31,407.37/47,110.68 = 9,219.95/x
  3. Step 3: Cross multiply
    31,407.37x = 47,110.68 × 9,219.95
  4. Step 4: Simplify right side
    31,407.37x = 434,358,148.78
  5. Step 5: Solve for x
    x = 434,358,148.78/31,407.37
  6. Step 6: Final answer
    x = 13,829.82

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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.