Home / 31,062.64-42,867.21-16,916.26

Finding the Fourth Proportional to 31,062.64, 42,867.21 and 16,916.26

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Solution

The fourth proportional to 31,062.64, 42,867.21 and 16,916.26 is: 23,344.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,062.64 : 42,867.21 = 16,916.26 : x
  2. Step 2: Convert to fraction form
    31,062.64/42,867.21 = 16,916.26/x
  3. Step 3: Cross multiply
    31,062.64x = 42,867.21 × 16,916.26
  4. Step 4: Simplify right side
    31,062.64x = 725,152,869.83
  5. Step 5: Solve for x
    x = 725,152,869.83/31,062.64
  6. Step 6: Final answer
    x = 23,344.86

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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.