Home / 55,586.76-76,721.60-35,439

Finding the Fourth Proportional to 55,586.76, 76,721.60 and 35,439

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Solution

The fourth proportional to 55,586.76, 76,721.60 and 35,439 is: 48,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,586.76 : 76,721.60 = 35,439 : x
  2. Step 2: Convert to fraction form
    55,586.76/76,721.60 = 35,439/x
  3. Step 3: Cross multiply
    55,586.76x = 76,721.60 × 35,439
  4. Step 4: Simplify right side
    55,586.76x = 2,718,936,782.40
  5. Step 5: Solve for x
    x = 2,718,936,782.40/55,586.76
  6. Step 6: Final answer
    x = 48,913.39

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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.