Home / 51,988.34-77,974.38-16,927.76

Finding the Fourth Proportional to 51,988.34, 77,974.38 and 16,927.76

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Solution

The fourth proportional to 51,988.34, 77,974.38 and 16,927.76 is: 25,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988.34 : 77,974.38 = 16,927.76 : x
  2. Step 2: Convert to fraction form
    51,988.34/77,974.38 = 16,927.76/x
  3. Step 3: Cross multiply
    51,988.34x = 77,974.38 × 16,927.76
  4. Step 4: Simplify right side
    51,988.34x = 1,319,931,785.72
  5. Step 5: Solve for x
    x = 1,319,931,785.72/51,988.34
  6. Step 6: Final answer
    x = 25,389.00

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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.