Home / 37,445.76-51,678.27-21,535.34

Finding the Fourth Proportional to 37,445.76, 51,678.27 and 21,535.34

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Solution

The fourth proportional to 37,445.76, 51,678.27 and 21,535.34 is: 29,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,445.76 : 51,678.27 = 21,535.34 : x
  2. Step 2: Convert to fraction form
    37,445.76/51,678.27 = 21,535.34/x
  3. Step 3: Cross multiply
    37,445.76x = 51,678.27 × 21,535.34
  4. Step 4: Simplify right side
    37,445.76x = 1,112,908,856.67
  5. Step 5: Solve for x
    x = 1,112,908,856.67/37,445.76
  6. Step 6: Final answer
    x = 29,720.56

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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.