Home / 62,431.48-93,627.70-20,868.76

Finding the Fourth Proportional to 62,431.48, 93,627.70 and 20,868.76

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Solution

The fourth proportional to 62,431.48, 93,627.70 and 20,868.76 is: 31,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,431.48 : 93,627.70 = 20,868.76 : x
  2. Step 2: Convert to fraction form
    62,431.48/93,627.70 = 20,868.76/x
  3. Step 3: Cross multiply
    62,431.48x = 93,627.70 × 20,868.76
  4. Step 4: Simplify right side
    62,431.48x = 1,953,894,000.65
  5. Step 5: Solve for x
    x = 1,953,894,000.65/62,431.48
  6. Step 6: Final answer
    x = 31,296.62

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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.