Home / 30,566.69-45,854.30-13,930.91

Finding the Fourth Proportional to 30,566.69, 45,854.30 and 13,930.91

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Solution

The fourth proportional to 30,566.69, 45,854.30 and 13,930.91 is: 20,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566.69 : 45,854.30 = 13,930.91 : x
  2. Step 2: Convert to fraction form
    30,566.69/45,854.30 = 13,930.91/x
  3. Step 3: Cross multiply
    30,566.69x = 45,854.30 × 13,930.91
  4. Step 4: Simplify right side
    30,566.69x = 638,792,126.41
  5. Step 5: Solve for x
    x = 638,792,126.41/30,566.69
  6. Step 6: Final answer
    x = 20,898.31

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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.