Home / 30,861.81-46,294.88-15,275.25

Finding the Fourth Proportional to 30,861.81, 46,294.88 and 15,275.25

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Solution

The fourth proportional to 30,861.81, 46,294.88 and 15,275.25 is: 22,913.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,861.81 : 46,294.88 = 15,275.25 : x
  2. Step 2: Convert to fraction form
    30,861.81/46,294.88 = 15,275.25/x
  3. Step 3: Cross multiply
    30,861.81x = 46,294.88 × 15,275.25
  4. Step 4: Simplify right side
    30,861.81x = 707,165,789.34
  5. Step 5: Solve for x
    x = 707,165,789.34/30,861.81
  6. Step 6: Final answer
    x = 22,913.94

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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.