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Finding the Fourth Proportional to 52,339.72, 78,522.73 and 16,804.22

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Solution

The fourth proportional to 52,339.72, 78,522.73 and 16,804.22 is: 25,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,339.72 : 78,522.73 = 16,804.22 : x
  2. Step 2: Convert to fraction form
    52,339.72/78,522.73 = 16,804.22/x
  3. Step 3: Cross multiply
    52,339.72x = 78,522.73 × 16,804.22
  4. Step 4: Simplify right side
    52,339.72x = 1,319,513,110.67
  5. Step 5: Solve for x
    x = 1,319,513,110.67/52,339.72
  6. Step 6: Final answer
    x = 25,210.55

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1.5x scale

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.