Home / 51,216.30-70,666.56-31,069.17

Finding the Fourth Proportional to 51,216.30, 70,666.56 and 31,069.17

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Solution

The fourth proportional to 51,216.30, 70,666.56 and 31,069.17 is: 42,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.30 : 70,666.56 = 31,069.17 : x
  2. Step 2: Convert to fraction form
    51,216.30/70,666.56 = 31,069.17/x
  3. Step 3: Cross multiply
    51,216.30x = 70,666.56 × 31,069.17
  4. Step 4: Simplify right side
    51,216.30x = 2,195,551,365.96
  5. Step 5: Solve for x
    x = 2,195,551,365.96/51,216.30
  6. Step 6: Final answer
    x = 42,868.22

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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.