Home / 35,554.20-49,068.60-20,447.52

Finding the Fourth Proportional to 35,554.20, 49,068.60 and 20,447.52

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Solution

The fourth proportional to 35,554.20, 49,068.60 and 20,447.52 is: 28,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,554.20 : 49,068.60 = 20,447.52 : x
  2. Step 2: Convert to fraction form
    35,554.20/49,068.60 = 20,447.52/x
  3. Step 3: Cross multiply
    35,554.20x = 49,068.60 × 20,447.52
  4. Step 4: Simplify right side
    35,554.20x = 1,003,331,179.87
  5. Step 5: Solve for x
    x = 1,003,331,179.87/35,554.20
  6. Step 6: Final answer
    x = 28,219.77

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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.