Home / 31,506.37-47,259.40-9,319.86

Finding the Fourth Proportional to 31,506.37, 47,259.40 and 9,319.86

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Solution

The fourth proportional to 31,506.37, 47,259.40 and 9,319.86 is: 13,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.37 : 47,259.40 = 9,319.86 : x
  2. Step 2: Convert to fraction form
    31,506.37/47,259.40 = 9,319.86/x
  3. Step 3: Cross multiply
    31,506.37x = 47,259.40 × 9,319.86
  4. Step 4: Simplify right side
    31,506.37x = 440,450,991.68
  5. Step 5: Solve for x
    x = 440,450,991.68/31,506.37
  6. Step 6: Final answer
    x = 13,979.74

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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.