Home / 47,378.76-71,059.59-12,316.26

Finding the Fourth Proportional to 47,378.76, 71,059.59 and 12,316.26

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Solution

The fourth proportional to 47,378.76, 71,059.59 and 12,316.26 is: 18,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,378.76 : 71,059.59 = 12,316.26 : x
  2. Step 2: Convert to fraction form
    47,378.76/71,059.59 = 12,316.26/x
  3. Step 3: Cross multiply
    47,378.76x = 71,059.59 × 12,316.26
  4. Step 4: Simplify right side
    47,378.76x = 875,188,385.93
  5. Step 5: Solve for x
    x = 875,188,385.93/47,378.76
  6. Step 6: Final answer
    x = 18,472.17

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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.