Home / 57,098.37-78,768.91-37,987.48

Finding the Fourth Proportional to 57,098.37, 78,768.91 and 37,987.48

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Solution

The fourth proportional to 57,098.37, 78,768.91 and 37,987.48 is: 52,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,098.37 : 78,768.91 = 37,987.48 : x
  2. Step 2: Convert to fraction form
    57,098.37/78,768.91 = 37,987.48/x
  3. Step 3: Cross multiply
    57,098.37x = 78,768.91 × 37,987.48
  4. Step 4: Simplify right side
    57,098.37x = 2,992,232,325.51
  5. Step 5: Solve for x
    x = 2,992,232,325.51/57,098.37
  6. Step 6: Final answer
    x = 52,404.87

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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.