Home / 38,665.17-53,355.40-22,746.56

Finding the Fourth Proportional to 38,665.17, 53,355.40 and 22,746.56

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Solution

The fourth proportional to 38,665.17, 53,355.40 and 22,746.56 is: 31,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665.17 : 53,355.40 = 22,746.56 : x
  2. Step 2: Convert to fraction form
    38,665.17/53,355.40 = 22,746.56/x
  3. Step 3: Cross multiply
    38,665.17x = 53,355.40 × 22,746.56
  4. Step 4: Simplify right side
    38,665.17x = 1,213,651,483.78
  5. Step 5: Solve for x
    x = 1,213,651,483.78/38,665.17
  6. Step 6: Final answer
    x = 31,388.75

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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.