Home / 35,219.78-48,602.67-20,889.26

Finding the Fourth Proportional to 35,219.78, 48,602.67 and 20,889.26

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Solution

The fourth proportional to 35,219.78, 48,602.67 and 20,889.26 is: 28,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,219.78 : 48,602.67 = 20,889.26 : x
  2. Step 2: Convert to fraction form
    35,219.78/48,602.67 = 20,889.26/x
  3. Step 3: Cross multiply
    35,219.78x = 48,602.67 × 20,889.26
  4. Step 4: Simplify right side
    35,219.78x = 1,015,273,810.32
  5. Step 5: Solve for x
    x = 1,015,273,810.32/35,219.78
  6. Step 6: Final answer
    x = 28,826.81

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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.