Home / 51,607.20-77,482.80-33,002.40

Finding the Fourth Proportional to 51,607.20, 77,482.80 and 33,002.40

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Solution

The fourth proportional to 51,607.20, 77,482.80 and 33,002.40 is: 49,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607.20 : 77,482.80 = 33,002.40 : x
  2. Step 2: Convert to fraction form
    51,607.20/77,482.80 = 33,002.40/x
  3. Step 3: Cross multiply
    51,607.20x = 77,482.80 × 33,002.40
  4. Step 4: Simplify right side
    51,607.20x = 2,557,118,358.72
  5. Step 5: Solve for x
    x = 2,557,118,358.72/51,607.20
  6. Step 6: Final answer
    x = 49,549.64

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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.