Home / 63,981.40-96,000.90-30,688.60

Finding the Fourth Proportional to 63,981.40, 96,000.90 and 30,688.60

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Solution

The fourth proportional to 63,981.40, 96,000.90 and 30,688.60 is: 46,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,981.40 : 96,000.90 = 30,688.60 : x
  2. Step 2: Convert to fraction form
    63,981.40/96,000.90 = 30,688.60/x
  3. Step 3: Cross multiply
    63,981.40x = 96,000.90 × 30,688.60
  4. Step 4: Simplify right side
    63,981.40x = 2,946,133,219.74
  5. Step 5: Solve for x
    x = 2,946,133,219.74/63,981.40
  6. Step 6: Final answer
    x = 46,046.71

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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.