Home / 61,111.70-84,336.51-34,254.38

Finding the Fourth Proportional to 61,111.70, 84,336.51 and 34,254.38

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Solution

The fourth proportional to 61,111.70, 84,336.51 and 34,254.38 is: 47,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,111.70 : 84,336.51 = 34,254.38 : x
  2. Step 2: Convert to fraction form
    61,111.70/84,336.51 = 34,254.38/x
  3. Step 3: Cross multiply
    61,111.70x = 84,336.51 × 34,254.38
  4. Step 4: Simplify right side
    61,111.70x = 2,888,894,861.41
  5. Step 5: Solve for x
    x = 2,888,894,861.41/61,111.70
  6. Step 6: Final answer
    x = 47,272.37

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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.