Home / 31,847.85-47,772.87-14,317.74

Finding the Fourth Proportional to 31,847.85, 47,772.87 and 14,317.74

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Solution

The fourth proportional to 31,847.85, 47,772.87 and 14,317.74 is: 21,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,847.85 : 47,772.87 = 14,317.74 : x
  2. Step 2: Convert to fraction form
    31,847.85/47,772.87 = 14,317.74/x
  3. Step 3: Cross multiply
    31,847.85x = 47,772.87 × 14,317.74
  4. Step 4: Simplify right side
    31,847.85x = 683,999,531.71
  5. Step 5: Solve for x
    x = 683,999,531.71/31,847.85
  6. Step 6: Final answer
    x = 21,477.10

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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.