Home / 52,296.28-78,477.78-19,013.15

Finding the Fourth Proportional to 52,296.28, 78,477.78 and 19,013.15

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Solution

The fourth proportional to 52,296.28, 78,477.78 and 19,013.15 is: 28,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,296.28 : 78,477.78 = 19,013.15 : x
  2. Step 2: Convert to fraction form
    52,296.28/78,477.78 = 19,013.15/x
  3. Step 3: Cross multiply
    52,296.28x = 78,477.78 × 19,013.15
  4. Step 4: Simplify right side
    52,296.28x = 1,492,109,802.81
  5. Step 5: Solve for x
    x = 1,492,109,802.81/52,296.28
  6. Step 6: Final answer
    x = 28,531.85

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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.