Home / 34,741.08-47,931.62-21,305.88

Finding the Fourth Proportional to 34,741.08, 47,931.62 and 21,305.88

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Solution

The fourth proportional to 34,741.08, 47,931.62 and 21,305.88 is: 29,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,741.08 : 47,931.62 = 21,305.88 : x
  2. Step 2: Convert to fraction form
    34,741.08/47,931.62 = 21,305.88/x
  3. Step 3: Cross multiply
    34,741.08x = 47,931.62 × 21,305.88
  4. Step 4: Simplify right side
    34,741.08x = 1,021,225,343.93
  5. Step 5: Solve for x
    x = 1,021,225,343.93/34,741.08
  6. Step 6: Final answer
    x = 29,395.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.