Home / 31,341.21-47,015.90-16,550.70

Finding the Fourth Proportional to 31,341.21, 47,015.90 and 16,550.70

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Solution

The fourth proportional to 31,341.21, 47,015.90 and 16,550.70 is: 24,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.21 : 47,015.90 = 16,550.70 : x
  2. Step 2: Convert to fraction form
    31,341.21/47,015.90 = 16,550.70/x
  3. Step 3: Cross multiply
    31,341.21x = 47,015.90 × 16,550.70
  4. Step 4: Simplify right side
    31,341.21x = 778,146,056.13
  5. Step 5: Solve for x
    x = 778,146,056.13/31,341.21
  6. Step 6: Final answer
    x = 24,828.21

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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.