Home / 35,319.47-48,743.60-20,216.87

Finding the Fourth Proportional to 35,319.47, 48,743.60 and 20,216.87

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Solution

The fourth proportional to 35,319.47, 48,743.60 and 20,216.87 is: 27,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.47 : 48,743.60 = 20,216.87 : x
  2. Step 2: Convert to fraction form
    35,319.47/48,743.60 = 20,216.87/x
  3. Step 3: Cross multiply
    35,319.47x = 48,743.60 × 20,216.87
  4. Step 4: Simplify right side
    35,319.47x = 985,443,024.53
  5. Step 5: Solve for x
    x = 985,443,024.53/35,319.47
  6. Step 6: Final answer
    x = 27,900.84

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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.