Home / 31,342.21-47,017.40-16,551.70

Finding the Fourth Proportional to 31,342.21, 47,017.40 and 16,551.70

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Solution

The fourth proportional to 31,342.21, 47,017.40 and 16,551.70 is: 24,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.21 : 47,017.40 = 16,551.70 : x
  2. Step 2: Convert to fraction form
    31,342.21/47,017.40 = 16,551.70/x
  3. Step 3: Cross multiply
    31,342.21x = 47,017.40 × 16,551.70
  4. Step 4: Simplify right side
    31,342.21x = 778,217,899.58
  5. Step 5: Solve for x
    x = 778,217,899.58/31,342.21
  6. Step 6: Final answer
    x = 24,829.71

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1.5x scale

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.