Home / 52,935.16-79,386-17,390.64

Finding the Fourth Proportional to 52,935.16, 79,386 and 17,390.64

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Solution

The fourth proportional to 52,935.16, 79,386 and 17,390.64 is: 26,080.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,935.16 : 79,386 = 17,390.64 : x
  2. Step 2: Convert to fraction form
    52,935.16/79,386 = 17,390.64/x
  3. Step 3: Cross multiply
    52,935.16x = 79,386 × 17,390.64
  4. Step 4: Simplify right side
    52,935.16x = 1,380,573,347.04
  5. Step 5: Solve for x
    x = 1,380,573,347.04/52,935.16
  6. Step 6: Final answer
    x = 26,080.46

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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.