Home / 35,329.60-52,977.36-20,542.78

Finding the Fourth Proportional to 35,329.60, 52,977.36 and 20,542.78

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Solution

The fourth proportional to 35,329.60, 52,977.36 and 20,542.78 is: 30,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,329.60 : 52,977.36 = 20,542.78 : x
  2. Step 2: Convert to fraction form
    35,329.60/52,977.36 = 20,542.78/x
  3. Step 3: Cross multiply
    35,329.60x = 52,977.36 × 20,542.78
  4. Step 4: Simplify right side
    35,329.60x = 1,088,302,251.46
  5. Step 5: Solve for x
    x = 1,088,302,251.46/35,329.60
  6. Step 6: Final answer
    x = 30,804.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.