Home / 51,438.24-77,156.54-16,377.40

Finding the Fourth Proportional to 51,438.24, 77,156.54 and 16,377.40

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Solution

The fourth proportional to 51,438.24, 77,156.54 and 16,377.40 is: 24,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438.24 : 77,156.54 = 16,377.40 : x
  2. Step 2: Convert to fraction form
    51,438.24/77,156.54 = 16,377.40/x
  3. Step 3: Cross multiply
    51,438.24x = 77,156.54 × 16,377.40
  4. Step 4: Simplify right side
    51,438.24x = 1,263,623,518.20
  5. Step 5: Solve for x
    x = 1,263,623,518.20/51,438.24
  6. Step 6: Final answer
    x = 24,565.84

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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.