Home / 51,595.59-77,390.13-18,311.25

Finding the Fourth Proportional to 51,595.59, 77,390.13 and 18,311.25

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Solution

The fourth proportional to 51,595.59, 77,390.13 and 18,311.25 is: 27,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,595.59 : 77,390.13 = 18,311.25 : x
  2. Step 2: Convert to fraction form
    51,595.59/77,390.13 = 18,311.25/x
  3. Step 3: Cross multiply
    51,595.59x = 77,390.13 × 18,311.25
  4. Step 4: Simplify right side
    51,595.59x = 1,417,110,017.96
  5. Step 5: Solve for x
    x = 1,417,110,017.96/51,595.59
  6. Step 6: Final answer
    x = 27,465.72

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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.