Home / 70,687.32-97,548.57-38,858.31

Finding the Fourth Proportional to 70,687.32, 97,548.57 and 38,858.31

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Solution

The fourth proportional to 70,687.32, 97,548.57 and 38,858.31 is: 53,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,687.32 : 97,548.57 = 38,858.31 : x
  2. Step 2: Convert to fraction form
    70,687.32/97,548.57 = 38,858.31/x
  3. Step 3: Cross multiply
    70,687.32x = 97,548.57 × 38,858.31
  4. Step 4: Simplify right side
    70,687.32x = 3,790,572,573.12
  5. Step 5: Solve for x
    x = 3,790,572,573.12/70,687.32
  6. Step 6: Final answer
    x = 53,624.51

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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.