Home / 55,550.79-76,685.40-35,435.25

Finding the Fourth Proportional to 55,550.79, 76,685.40 and 35,435.25

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Solution

The fourth proportional to 55,550.79, 76,685.40 and 35,435.25 is: 48,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,550.79 : 76,685.40 = 35,435.25 : x
  2. Step 2: Convert to fraction form
    55,550.79/76,685.40 = 35,435.25/x
  3. Step 3: Cross multiply
    55,550.79x = 76,685.40 × 35,435.25
  4. Step 4: Simplify right side
    55,550.79x = 2,717,366,320.35
  5. Step 5: Solve for x
    x = 2,717,366,320.35/55,550.79
  6. Step 6: Final answer
    x = 48,916.79

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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.