Home / 55,877.79-77,110.94-30,384.17

Finding the Fourth Proportional to 55,877.79, 77,110.94 and 30,384.17

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Solution

The fourth proportional to 55,877.79, 77,110.94 and 30,384.17 is: 41,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,877.79 : 77,110.94 = 30,384.17 : x
  2. Step 2: Convert to fraction form
    55,877.79/77,110.94 = 30,384.17/x
  3. Step 3: Cross multiply
    55,877.79x = 77,110.94 × 30,384.17
  4. Step 4: Simplify right side
    55,877.79x = 2,342,952,178.56
  5. Step 5: Solve for x
    x = 2,342,952,178.56/55,877.79
  6. Step 6: Final answer
    x = 41,929.94

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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.