Home / 57,578.40-79,456.32-35,222.40

Finding the Fourth Proportional to 57,578.40, 79,456.32 and 35,222.40

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Solution

The fourth proportional to 57,578.40, 79,456.32 and 35,222.40 is: 48,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,578.40 : 79,456.32 = 35,222.40 : x
  2. Step 2: Convert to fraction form
    57,578.40/79,456.32 = 35,222.40/x
  3. Step 3: Cross multiply
    57,578.40x = 79,456.32 × 35,222.40
  4. Step 4: Simplify right side
    57,578.40x = 2,798,642,285.57
  5. Step 5: Solve for x
    x = 2,798,642,285.57/57,578.40
  6. Step 6: Final answer
    x = 48,605.77

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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.