Home / 45,731.36-63,095.28-29,810

Finding the Fourth Proportional to 45,731.36, 63,095.28 and 29,810

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Solution

The fourth proportional to 45,731.36, 63,095.28 and 29,810 is: 41,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,731.36 : 63,095.28 = 29,810 : x
  2. Step 2: Convert to fraction form
    45,731.36/63,095.28 = 29,810/x
  3. Step 3: Cross multiply
    45,731.36x = 63,095.28 × 29,810
  4. Step 4: Simplify right side
    45,731.36x = 1,880,870,296.80
  5. Step 5: Solve for x
    x = 1,880,870,296.80/45,731.36
  6. Step 6: Final answer
    x = 41,128.68

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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.