Home / 52,368.28-78,504.75-19,080.76

Finding the Fourth Proportional to 52,368.28, 78,504.75 and 19,080.76

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Solution

The fourth proportional to 52,368.28, 78,504.75 and 19,080.76 is: 28,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,368.28 : 78,504.75 = 19,080.76 : x
  2. Step 2: Convert to fraction form
    52,368.28/78,504.75 = 19,080.76/x
  3. Step 3: Cross multiply
    52,368.28x = 78,504.75 × 19,080.76
  4. Step 4: Simplify right side
    52,368.28x = 1,497,930,293.61
  5. Step 5: Solve for x
    x = 1,497,930,293.61/52,368.28
  6. Step 6: Final answer
    x = 28,603.77

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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.