Home / 51,216.81-70,670.17-28,554.02

Finding the Fourth Proportional to 51,216.81, 70,670.17 and 28,554.02

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Solution

The fourth proportional to 51,216.81, 70,670.17 and 28,554.02 is: 39,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.81 : 70,670.17 = 28,554.02 : x
  2. Step 2: Convert to fraction form
    51,216.81/70,670.17 = 28,554.02/x
  3. Step 3: Cross multiply
    51,216.81x = 70,670.17 × 28,554.02
  4. Step 4: Simplify right side
    51,216.81x = 2,017,917,394.94
  5. Step 5: Solve for x
    x = 2,017,917,394.94/51,216.81
  6. Step 6: Final answer
    x = 39,399.52

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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.