Home / 53,531.65-73,908.34-34,420

Finding the Fourth Proportional to 53,531.65, 73,908.34 and 34,420

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Solution

The fourth proportional to 53,531.65, 73,908.34 and 34,420 is: 47,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,531.65 : 73,908.34 = 34,420 : x
  2. Step 2: Convert to fraction form
    53,531.65/73,908.34 = 34,420/x
  3. Step 3: Cross multiply
    53,531.65x = 73,908.34 × 34,420
  4. Step 4: Simplify right side
    53,531.65x = 2,543,925,062.80
  5. Step 5: Solve for x
    x = 2,543,925,062.80/53,531.65
  6. Step 6: Final answer
    x = 47,521.89

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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.