Home / 31,272.52-46,909.09-7,898.96

Finding the Fourth Proportional to 31,272.52, 46,909.09 and 7,898.96

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Solution

The fourth proportional to 31,272.52, 46,909.09 and 7,898.96 is: 11,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.52 : 46,909.09 = 7,898.96 : x
  2. Step 2: Convert to fraction form
    31,272.52/46,909.09 = 7,898.96/x
  3. Step 3: Cross multiply
    31,272.52x = 46,909.09 × 7,898.96
  4. Step 4: Simplify right side
    31,272.52x = 370,533,025.55
  5. Step 5: Solve for x
    x = 370,533,025.55/31,272.52
  6. Step 6: Final answer
    x = 11,848.52

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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.