Home / 51,210.79-76,698.16-49,437.72

Finding the Fourth Proportional to 51,210.79, 76,698.16 and 49,437.72

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Solution

The fourth proportional to 51,210.79, 76,698.16 and 49,437.72 is: 74,042.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,210.79 : 76,698.16 = 49,437.72 : x
  2. Step 2: Convert to fraction form
    51,210.79/76,698.16 = 49,437.72/x
  3. Step 3: Cross multiply
    51,210.79x = 76,698.16 × 49,437.72
  4. Step 4: Simplify right side
    51,210.79x = 3,791,782,158.60
  5. Step 5: Solve for x
    x = 3,791,782,158.60/51,210.79
  6. Step 6: Final answer
    x = 74,042.64

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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.