Home / 35,905.48-53,882.82-12,531.91

Finding the Fourth Proportional to 35,905.48, 53,882.82 and 12,531.91

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Solution

The fourth proportional to 35,905.48, 53,882.82 and 12,531.91 is: 18,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.48 : 53,882.82 = 12,531.91 : x
  2. Step 2: Convert to fraction form
    35,905.48/53,882.82 = 12,531.91/x
  3. Step 3: Cross multiply
    35,905.48x = 53,882.82 × 12,531.91
  4. Step 4: Simplify right side
    35,905.48x = 675,254,650.79
  5. Step 5: Solve for x
    x = 675,254,650.79/35,905.48
  6. Step 6: Final answer
    x = 18,806.45

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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.