Home / 37,065.79-51,148.83-21,151.72

Finding the Fourth Proportional to 37,065.79, 51,148.83 and 21,151.72

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Solution

The fourth proportional to 37,065.79, 51,148.83 and 21,151.72 is: 29,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,065.79 : 51,148.83 = 21,151.72 : x
  2. Step 2: Convert to fraction form
    37,065.79/51,148.83 = 21,151.72/x
  3. Step 3: Cross multiply
    37,065.79x = 51,148.83 × 21,151.72
  4. Step 4: Simplify right side
    37,065.79x = 1,081,885,730.49
  5. Step 5: Solve for x
    x = 1,081,885,730.49/37,065.79
  6. Step 6: Final answer
    x = 29,188.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.