Home / 47,125.55-70,688.27-12,065.15

Finding the Fourth Proportional to 47,125.55, 70,688.27 and 12,065.15

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Solution

The fourth proportional to 47,125.55, 70,688.27 and 12,065.15 is: 18,097.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,125.55 : 70,688.27 = 12,065.15 : x
  2. Step 2: Convert to fraction form
    47,125.55/70,688.27 = 12,065.15/x
  3. Step 3: Cross multiply
    47,125.55x = 70,688.27 × 12,065.15
  4. Step 4: Simplify right side
    47,125.55x = 852,864,257.51
  5. Step 5: Solve for x
    x = 852,864,257.51/47,125.55
  6. Step 6: Final answer
    x = 18,097.71

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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.