Home / 57,711.36-79,550.70-42,555.48

Finding the Fourth Proportional to 57,711.36, 79,550.70 and 42,555.48

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Solution

The fourth proportional to 57,711.36, 79,550.70 and 42,555.48 is: 58,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,711.36 : 79,550.70 = 42,555.48 : x
  2. Step 2: Convert to fraction form
    57,711.36/79,550.70 = 42,555.48/x
  3. Step 3: Cross multiply
    57,711.36x = 79,550.70 × 42,555.48
  4. Step 4: Simplify right side
    57,711.36x = 3,385,318,222.84
  5. Step 5: Solve for x
    x = 3,385,318,222.84/57,711.36
  6. Step 6: Final answer
    x = 58,659.48

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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.