Home / 51,351.89-77,013.25-16,290.63

Finding the Fourth Proportional to 51,351.89, 77,013.25 and 16,290.63

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Solution

The fourth proportional to 51,351.89, 77,013.25 and 16,290.63 is: 24,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,351.89 : 77,013.25 = 16,290.63 : x
  2. Step 2: Convert to fraction form
    51,351.89/77,013.25 = 16,290.63/x
  3. Step 3: Cross multiply
    51,351.89x = 77,013.25 × 16,290.63
  4. Step 4: Simplify right side
    51,351.89x = 1,254,594,320.12
  5. Step 5: Solve for x
    x = 1,254,594,320.12/51,351.89
  6. Step 6: Final answer
    x = 24,431.32

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1.5x scale

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.