Home / 45,859.29-68,774.49-17,777.40

Finding the Fourth Proportional to 45,859.29, 68,774.49 and 17,777.40

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Solution

The fourth proportional to 45,859.29, 68,774.49 and 17,777.40 is: 26,660.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,859.29 : 68,774.49 = 17,777.40 : x
  2. Step 2: Convert to fraction form
    45,859.29/68,774.49 = 17,777.40/x
  3. Step 3: Cross multiply
    45,859.29x = 68,774.49 × 17,777.40
  4. Step 4: Simplify right side
    45,859.29x = 1,222,631,618.53
  5. Step 5: Solve for x
    x = 1,222,631,618.53/45,859.29
  6. Step 6: Final answer
    x = 26,660.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.