Home / 31,539.18-47,308.77-17,697.90

Finding the Fourth Proportional to 31,539.18, 47,308.77 and 17,697.90

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Solution

The fourth proportional to 31,539.18, 47,308.77 and 17,697.90 is: 26,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539.18 : 47,308.77 = 17,697.90 : x
  2. Step 2: Convert to fraction form
    31,539.18/47,308.77 = 17,697.90/x
  3. Step 3: Cross multiply
    31,539.18x = 47,308.77 × 17,697.90
  4. Step 4: Simplify right side
    31,539.18x = 837,265,880.58
  5. Step 5: Solve for x
    x = 837,265,880.58/31,539.18
  6. Step 6: Final answer
    x = 26,546.85

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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.