Home / 51,384.56-77,030.10-19,774.46

Finding the Fourth Proportional to 51,384.56, 77,030.10 and 19,774.46

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Solution

The fourth proportional to 51,384.56, 77,030.10 and 19,774.46 is: 29,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,384.56 : 77,030.10 = 19,774.46 : x
  2. Step 2: Convert to fraction form
    51,384.56/77,030.10 = 19,774.46/x
  3. Step 3: Cross multiply
    51,384.56x = 77,030.10 × 19,774.46
  4. Step 4: Simplify right side
    51,384.56x = 1,523,228,631.25
  5. Step 5: Solve for x
    x = 1,523,228,631.25/51,384.56
  6. Step 6: Final answer
    x = 29,643.70

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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.