Home / 31,722.08-47,577.78-10,659.74

Finding the Fourth Proportional to 31,722.08, 47,577.78 and 10,659.74

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Solution

The fourth proportional to 31,722.08, 47,577.78 and 10,659.74 is: 15,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,722.08 : 47,577.78 = 10,659.74 : x
  2. Step 2: Convert to fraction form
    31,722.08/47,577.78 = 10,659.74/x
  3. Step 3: Cross multiply
    31,722.08x = 47,577.78 × 10,659.74
  4. Step 4: Simplify right side
    31,722.08x = 507,166,526.69
  5. Step 5: Solve for x
    x = 507,166,526.69/31,722.08
  6. Step 6: Final answer
    x = 15,987.81

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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.