Home / 70,678.08-97,536.36-38,847.72

Finding the Fourth Proportional to 70,678.08, 97,536.36 and 38,847.72

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Solution

The fourth proportional to 70,678.08, 97,536.36 and 38,847.72 is: 53,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,678.08 : 97,536.36 = 38,847.72 : x
  2. Step 2: Convert to fraction form
    70,678.08/97,536.36 = 38,847.72/x
  3. Step 3: Cross multiply
    70,678.08x = 97,536.36 × 38,847.72
  4. Step 4: Simplify right side
    70,678.08x = 3,789,065,203.10
  5. Step 5: Solve for x
    x = 3,789,065,203.10/70,678.08
  6. Step 6: Final answer
    x = 53,610.19

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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.