Home / 70,621.23-97,457.94-38,790.84

Finding the Fourth Proportional to 70,621.23, 97,457.94 and 38,790.84

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Solution

The fourth proportional to 70,621.23, 97,457.94 and 38,790.84 is: 53,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,621.23 : 97,457.94 = 38,790.84 : x
  2. Step 2: Convert to fraction form
    70,621.23/97,457.94 = 38,790.84/x
  3. Step 3: Cross multiply
    70,621.23x = 97,457.94 × 38,790.84
  4. Step 4: Simplify right side
    70,621.23x = 3,780,475,357.27
  5. Step 5: Solve for x
    x = 3,780,475,357.27/70,621.23
  6. Step 6: Final answer
    x = 53,531.71

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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.