Home / 48,289.50-66,639.75-28,160.34

Finding the Fourth Proportional to 48,289.50, 66,639.75 and 28,160.34

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Solution

The fourth proportional to 48,289.50, 66,639.75 and 28,160.34 is: 38,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,289.50 : 66,639.75 = 28,160.34 : x
  2. Step 2: Convert to fraction form
    48,289.50/66,639.75 = 28,160.34/x
  3. Step 3: Cross multiply
    48,289.50x = 66,639.75 × 28,160.34
  4. Step 4: Simplify right side
    48,289.50x = 1,876,598,017.52
  5. Step 5: Solve for x
    x = 1,876,598,017.52/48,289.50
  6. Step 6: Final answer
    x = 38,861.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.