Home / 55,910.32-77,140.94-38,895.46

Finding the Fourth Proportional to 55,910.32, 77,140.94 and 38,895.46

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Solution

The fourth proportional to 55,910.32, 77,140.94 and 38,895.46 is: 53,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,910.32 : 77,140.94 = 38,895.46 : x
  2. Step 2: Convert to fraction form
    55,910.32/77,140.94 = 38,895.46/x
  3. Step 3: Cross multiply
    55,910.32x = 77,140.94 × 38,895.46
  4. Step 4: Simplify right side
    55,910.32x = 3,000,432,346.13
  5. Step 5: Solve for x
    x = 3,000,432,346.13/55,910.32
  6. Step 6: Final answer
    x = 53,665.09

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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.