Home / 53,929.46-74,423.20-29,731.28

Finding the Fourth Proportional to 53,929.46, 74,423.20 and 29,731.28

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Solution

The fourth proportional to 53,929.46, 74,423.20 and 29,731.28 is: 41,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,929.46 : 74,423.20 = 29,731.28 : x
  2. Step 2: Convert to fraction form
    53,929.46/74,423.20 = 29,731.28/x
  3. Step 3: Cross multiply
    53,929.46x = 74,423.20 × 29,731.28
  4. Step 4: Simplify right side
    53,929.46x = 2,212,696,997.70
  5. Step 5: Solve for x
    x = 2,212,696,997.70/53,929.46
  6. Step 6: Final answer
    x = 41,029.47

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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.