Home / 31,341.06-47,011.70-7,967.50

Finding the Fourth Proportional to 31,341.06, 47,011.70 and 7,967.50

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Solution

The fourth proportional to 31,341.06, 47,011.70 and 7,967.50 is: 11,951.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.06 : 47,011.70 = 7,967.50 : x
  2. Step 2: Convert to fraction form
    31,341.06/47,011.70 = 7,967.50/x
  3. Step 3: Cross multiply
    31,341.06x = 47,011.70 × 7,967.50
  4. Step 4: Simplify right side
    31,341.06x = 374,565,622.14
  5. Step 5: Solve for x
    x = 374,565,622.14/31,341.06
  6. Step 6: Final answer
    x = 11,951.27

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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.