Home / 31,038.59-42,833.40-16,891.58

Finding the Fourth Proportional to 31,038.59, 42,833.40 and 16,891.58

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Solution

The fourth proportional to 31,038.59, 42,833.40 and 16,891.58 is: 23,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,038.59 : 42,833.40 = 16,891.58 : x
  2. Step 2: Convert to fraction form
    31,038.59/42,833.40 = 16,891.58/x
  3. Step 3: Cross multiply
    31,038.59x = 42,833.40 × 16,891.58
  4. Step 4: Simplify right side
    31,038.59x = 723,523,802.77
  5. Step 5: Solve for x
    x = 723,523,802.77/31,038.59
  6. Step 6: Final answer
    x = 23,310.46

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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.