Home / 47,688.39-71,509.50-28,734.39

Finding the Fourth Proportional to 47,688.39, 71,509.50 and 28,734.39

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Solution

The fourth proportional to 47,688.39, 71,509.50 and 28,734.39 is: 43,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,688.39 : 71,509.50 = 28,734.39 : x
  2. Step 2: Convert to fraction form
    47,688.39/71,509.50 = 28,734.39/x
  3. Step 3: Cross multiply
    47,688.39x = 71,509.50 × 28,734.39
  4. Step 4: Simplify right side
    47,688.39x = 2,054,781,861.71
  5. Step 5: Solve for x
    x = 2,054,781,861.71/47,688.39
  6. Step 6: Final answer
    x = 43,087.68

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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.