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Finding the Fourth Proportional to 53,347.70, 73,608.22 and 31,827.62

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Solution

The fourth proportional to 53,347.70, 73,608.22 and 31,827.62 is: 43,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,347.70 : 73,608.22 = 31,827.62 : x
  2. Step 2: Convert to fraction form
    53,347.70/73,608.22 = 31,827.62/x
  3. Step 3: Cross multiply
    53,347.70x = 73,608.22 × 31,827.62
  4. Step 4: Simplify right side
    53,347.70x = 2,342,774,559.49
  5. Step 5: Solve for x
    x = 2,342,774,559.49/53,347.70
  6. Step 6: Final answer
    x = 43,915.19

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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.