Home / 35,437.05-48,903.14-20,329.09

Finding the Fourth Proportional to 35,437.05, 48,903.14 and 20,329.09

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Solution

The fourth proportional to 35,437.05, 48,903.14 and 20,329.09 is: 28,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,437.05 : 48,903.14 = 20,329.09 : x
  2. Step 2: Convert to fraction form
    35,437.05/48,903.14 = 20,329.09/x
  3. Step 3: Cross multiply
    35,437.05x = 48,903.14 × 20,329.09
  4. Step 4: Simplify right side
    35,437.05x = 994,156,262.91
  5. Step 5: Solve for x
    x = 994,156,262.91/35,437.05
  6. Step 6: Final answer
    x = 28,054.15

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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.