Home / 31,885.31-47,829.18-16,284.71

Finding the Fourth Proportional to 31,885.31, 47,829.18 and 16,284.71

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Solution

The fourth proportional to 31,885.31, 47,829.18 and 16,284.71 is: 24,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885.31 : 47,829.18 = 16,284.71 : x
  2. Step 2: Convert to fraction form
    31,885.31/47,829.18 = 16,284.71/x
  3. Step 3: Cross multiply
    31,885.31x = 47,829.18 × 16,284.71
  4. Step 4: Simplify right side
    31,885.31x = 778,884,325.84
  5. Step 5: Solve for x
    x = 778,884,325.84/31,885.31
  6. Step 6: Final answer
    x = 24,427.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.