Home / 52,212.64-78,326.16-17,155.84

Finding the Fourth Proportional to 52,212.64, 78,326.16 and 17,155.84

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Solution

The fourth proportional to 52,212.64, 78,326.16 and 17,155.84 is: 25,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.64 : 78,326.16 = 17,155.84 : x
  2. Step 2: Convert to fraction form
    52,212.64/78,326.16 = 17,155.84/x
  3. Step 3: Cross multiply
    52,212.64x = 78,326.16 × 17,155.84
  4. Step 4: Simplify right side
    52,212.64x = 1,343,751,068.77
  5. Step 5: Solve for x
    x = 1,343,751,068.77/52,212.64
  6. Step 6: Final answer
    x = 25,736.13

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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.