Home / 35,437.67-48,900.62-20,331.58

Finding the Fourth Proportional to 35,437.67, 48,900.62 and 20,331.58

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Solution

The fourth proportional to 35,437.67, 48,900.62 and 20,331.58 is: 28,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,437.67 : 48,900.62 = 20,331.58 : x
  2. Step 2: Convert to fraction form
    35,437.67/48,900.62 = 20,331.58/x
  3. Step 3: Cross multiply
    35,437.67x = 48,900.62 × 20,331.58
  4. Step 4: Simplify right side
    35,437.67x = 994,226,796.16
  5. Step 5: Solve for x
    x = 994,226,796.16/35,437.67
  6. Step 6: Final answer
    x = 28,055.65

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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.