Home / 31,674.58-47,417.21-19,156.74

Finding the Fourth Proportional to 31,674.58, 47,417.21 and 19,156.74

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Solution

The fourth proportional to 31,674.58, 47,417.21 and 19,156.74 is: 28,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,674.58 : 47,417.21 = 19,156.74 : x
  2. Step 2: Convert to fraction form
    31,674.58/47,417.21 = 19,156.74/x
  3. Step 3: Cross multiply
    31,674.58x = 47,417.21 × 19,156.74
  4. Step 4: Simplify right side
    31,674.58x = 908,359,033.57
  5. Step 5: Solve for x
    x = 908,359,033.57/31,674.58
  6. Step 6: Final answer
    x = 28,677.86

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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.