Home / 31,980.07-47,970.22-9,793.35

Finding the Fourth Proportional to 31,980.07, 47,970.22 and 9,793.35

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Solution

The fourth proportional to 31,980.07, 47,970.22 and 9,793.35 is: 14,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.07 : 47,970.22 = 9,793.35 : x
  2. Step 2: Convert to fraction form
    31,980.07/47,970.22 = 9,793.35/x
  3. Step 3: Cross multiply
    31,980.07x = 47,970.22 × 9,793.35
  4. Step 4: Simplify right side
    31,980.07x = 469,789,129.55
  5. Step 5: Solve for x
    x = 469,789,129.55/31,980.07
  6. Step 6: Final answer
    x = 14,690.06

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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.