Home / 67,291.81-92,861.95-38,615.98

Finding the Fourth Proportional to 67,291.81, 92,861.95 and 38,615.98

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Solution

The fourth proportional to 67,291.81, 92,861.95 and 38,615.98 is: 53,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,291.81 : 92,861.95 = 38,615.98 : x
  2. Step 2: Convert to fraction form
    67,291.81/92,861.95 = 38,615.98/x
  3. Step 3: Cross multiply
    67,291.81x = 92,861.95 × 38,615.98
  4. Step 4: Simplify right side
    67,291.81x = 3,585,955,121.79
  5. Step 5: Solve for x
    x = 3,585,955,121.79/67,291.81
  6. Step 6: Final answer
    x = 53,289.62

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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.