Home / 48,297.60-66,647.88-28,157.76

Finding the Fourth Proportional to 48,297.60, 66,647.88 and 28,157.76

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Solution

The fourth proportional to 48,297.60, 66,647.88 and 28,157.76 is: 38,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,297.60 : 66,647.88 = 28,157.76 : x
  2. Step 2: Convert to fraction form
    48,297.60/66,647.88 = 28,157.76/x
  3. Step 3: Cross multiply
    48,297.60x = 66,647.88 × 28,157.76
  4. Step 4: Simplify right side
    48,297.60x = 1,876,655,009.55
  5. Step 5: Solve for x
    x = 1,876,655,009.55/48,297.60
  6. Step 6: Final answer
    x = 38,856.07

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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.