Home / 35,068.12-48,400.32-20,921.92

Finding the Fourth Proportional to 35,068.12, 48,400.32 and 20,921.92

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Solution

The fourth proportional to 35,068.12, 48,400.32 and 20,921.92 is: 28,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,068.12 : 48,400.32 = 20,921.92 : x
  2. Step 2: Convert to fraction form
    35,068.12/48,400.32 = 20,921.92/x
  3. Step 3: Cross multiply
    35,068.12x = 48,400.32 × 20,921.92
  4. Step 4: Simplify right side
    35,068.12x = 1,012,627,623.01
  5. Step 5: Solve for x
    x = 1,012,627,623.01/35,068.12
  6. Step 6: Final answer
    x = 28,876.02

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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.