Home / 35,225.48-48,620.35-21,788.92

Finding the Fourth Proportional to 35,225.48, 48,620.35 and 21,788.92

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Solution

The fourth proportional to 35,225.48, 48,620.35 and 21,788.92 is: 30,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,225.48 : 48,620.35 = 21,788.92 : x
  2. Step 2: Convert to fraction form
    35,225.48/48,620.35 = 21,788.92/x
  3. Step 3: Cross multiply
    35,225.48x = 48,620.35 × 21,788.92
  4. Step 4: Simplify right side
    35,225.48x = 1,059,384,916.52
  5. Step 5: Solve for x
    x = 1,059,384,916.52/35,225.48
  6. Step 6: Final answer
    x = 30,074.39

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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.