Home / 55,746-76,929.60-30,595.44

Finding the Fourth Proportional to 55,746, 76,929.60 and 30,595.44

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Solution

The fourth proportional to 55,746, 76,929.60 and 30,595.44 is: 42,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,746 : 76,929.60 = 30,595.44 : x
  2. Step 2: Convert to fraction form
    55,746/76,929.60 = 30,595.44/x
  3. Step 3: Cross multiply
    55,746x = 76,929.60 × 30,595.44
  4. Step 4: Simplify right side
    55,746x = 2,353,694,961.02
  5. Step 5: Solve for x
    x = 2,353,694,961.02/55,746
  6. Step 6: Final answer
    x = 42,221.77

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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.