Home / 57,048.12-78,725.74-31,552.49

Finding the Fourth Proportional to 57,048.12, 78,725.74 and 31,552.49

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Solution

The fourth proportional to 57,048.12, 78,725.74 and 31,552.49 is: 43,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,048.12 : 78,725.74 = 31,552.49 : x
  2. Step 2: Convert to fraction form
    57,048.12/78,725.74 = 31,552.49/x
  3. Step 3: Cross multiply
    57,048.12x = 78,725.74 × 31,552.49
  4. Step 4: Simplify right side
    57,048.12x = 2,483,992,725.24
  5. Step 5: Solve for x
    x = 2,483,992,725.24/57,048.12
  6. Step 6: Final answer
    x = 43,542.06

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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.