Home / 48,388.57-66,781.58-28,250.39

Finding the Fourth Proportional to 48,388.57, 66,781.58 and 28,250.39

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Solution

The fourth proportional to 48,388.57, 66,781.58 and 28,250.39 is: 38,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388.57 : 66,781.58 = 28,250.39 : x
  2. Step 2: Convert to fraction form
    48,388.57/66,781.58 = 28,250.39/x
  3. Step 3: Cross multiply
    48,388.57x = 66,781.58 × 28,250.39
  4. Step 4: Simplify right side
    48,388.57x = 1,886,605,705.52
  5. Step 5: Solve for x
    x = 1,886,605,705.52/48,388.57
  6. Step 6: Final answer
    x = 38,988.67

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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.