Home / 31,895.81-47,931.20-30,084.25

Finding the Fourth Proportional to 31,895.81, 47,931.20 and 30,084.25

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Solution

The fourth proportional to 31,895.81, 47,931.20 and 30,084.25 is: 45,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,895.81 : 47,931.20 = 30,084.25 : x
  2. Step 2: Convert to fraction form
    31,895.81/47,931.20 = 30,084.25/x
  3. Step 3: Cross multiply
    31,895.81x = 47,931.20 × 30,084.25
  4. Step 4: Simplify right side
    31,895.81x = 1,441,973,813.52
  5. Step 5: Solve for x
    x = 1,441,973,813.52/31,895.81
  6. Step 6: Final answer
    x = 45,208.88

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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.