Home / 32,931.16-49,396.74-7,971.21

Finding the Fourth Proportional to 32,931.16, 49,396.74 and 7,971.21

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Solution

The fourth proportional to 32,931.16, 49,396.74 and 7,971.21 is: 11,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,931.16 : 49,396.74 = 7,971.21 : x
  2. Step 2: Convert to fraction form
    32,931.16/49,396.74 = 7,971.21/x
  3. Step 3: Cross multiply
    32,931.16x = 49,396.74 × 7,971.21
  4. Step 4: Simplify right side
    32,931.16x = 393,751,757.96
  5. Step 5: Solve for x
    x = 393,751,757.96/32,931.16
  6. Step 6: Final answer
    x = 11,956.82

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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.