Home / 51,715.23-77,574.53-14,278.11

Finding the Fourth Proportional to 51,715.23, 77,574.53 and 14,278.11

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Solution

The fourth proportional to 51,715.23, 77,574.53 and 14,278.11 is: 21,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,715.23 : 77,574.53 = 14,278.11 : x
  2. Step 2: Convert to fraction form
    51,715.23/77,574.53 = 14,278.11/x
  3. Step 3: Cross multiply
    51,715.23x = 77,574.53 × 14,278.11
  4. Step 4: Simplify right side
    51,715.23x = 1,107,617,601.15
  5. Step 5: Solve for x
    x = 1,107,617,601.15/51,715.23
  6. Step 6: Final answer
    x = 21,417.63

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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.