Home / 56,127.84-77,429.70-33,453.78

Finding the Fourth Proportional to 56,127.84, 77,429.70 and 33,453.78

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Solution

The fourth proportional to 56,127.84, 77,429.70 and 33,453.78 is: 46,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,127.84 : 77,429.70 = 33,453.78 : x
  2. Step 2: Convert to fraction form
    56,127.84/77,429.70 = 33,453.78/x
  3. Step 3: Cross multiply
    56,127.84x = 77,429.70 × 33,453.78
  4. Step 4: Simplify right side
    56,127.84x = 2,590,316,149.27
  5. Step 5: Solve for x
    x = 2,590,316,149.27/56,127.84
  6. Step 6: Final answer
    x = 46,150.29

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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.