Home / 51,222.90-70,687.30-28,562.17

Finding the Fourth Proportional to 51,222.90, 70,687.30 and 28,562.17

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Solution

The fourth proportional to 51,222.90, 70,687.30 and 28,562.17 is: 39,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222.90 : 70,687.30 = 28,562.17 : x
  2. Step 2: Convert to fraction form
    51,222.90/70,687.30 = 28,562.17/x
  3. Step 3: Cross multiply
    51,222.90x = 70,687.30 × 28,562.17
  4. Step 4: Simplify right side
    51,222.90x = 2,018,982,617.41
  5. Step 5: Solve for x
    x = 2,018,982,617.41/51,222.90
  6. Step 6: Final answer
    x = 39,415.63

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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.