Home / 56,487.43-77,953.49-30,996.33

Finding the Fourth Proportional to 56,487.43, 77,953.49 and 30,996.33

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Solution

The fourth proportional to 56,487.43, 77,953.49 and 30,996.33 is: 42,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,487.43 : 77,953.49 = 30,996.33 : x
  2. Step 2: Convert to fraction form
    56,487.43/77,953.49 = 30,996.33/x
  3. Step 3: Cross multiply
    56,487.43x = 77,953.49 × 30,996.33
  4. Step 4: Simplify right side
    56,487.43x = 2,416,272,100.69
  5. Step 5: Solve for x
    x = 2,416,272,100.69/56,487.43
  6. Step 6: Final answer
    x = 42,775.39

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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.