Home / 52,321.32-78,515.28-19,038.15

Finding the Fourth Proportional to 52,321.32, 78,515.28 and 19,038.15

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Solution

The fourth proportional to 52,321.32, 78,515.28 and 19,038.15 is: 28,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,321.32 : 78,515.28 = 19,038.15 : x
  2. Step 2: Convert to fraction form
    52,321.32/78,515.28 = 19,038.15/x
  3. Step 3: Cross multiply
    52,321.32x = 78,515.28 × 19,038.15
  4. Step 4: Simplify right side
    52,321.32x = 1,494,785,677.93
  5. Step 5: Solve for x
    x = 1,494,785,677.93/52,321.32
  6. Step 6: Final answer
    x = 28,569.34

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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.