Home / 70,717.64-97,590.34-38,886.54

Finding the Fourth Proportional to 70,717.64, 97,590.34 and 38,886.54

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Solution

The fourth proportional to 70,717.64, 97,590.34 and 38,886.54 is: 53,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,717.64 : 97,590.34 = 38,886.54 : x
  2. Step 2: Convert to fraction form
    70,717.64/97,590.34 = 38,886.54/x
  3. Step 3: Cross multiply
    70,717.64x = 97,590.34 × 38,886.54
  4. Step 4: Simplify right side
    70,717.64x = 3,794,950,660.02
  5. Step 5: Solve for x
    x = 3,794,950,660.02/70,717.64
  6. Step 6: Final answer
    x = 53,663.42

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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.