Home / 70,621.50-97,457.67-38,790.93

Finding the Fourth Proportional to 70,621.50, 97,457.67 and 38,790.93

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Solution

The fourth proportional to 70,621.50, 97,457.67 and 38,790.93 is: 53,531.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,621.50 : 97,457.67 = 38,790.93 : x
  2. Step 2: Convert to fraction form
    70,621.50/97,457.67 = 38,790.93/x
  3. Step 3: Cross multiply
    70,621.50x = 97,457.67 × 38,790.93
  4. Step 4: Simplify right side
    70,621.50x = 3,780,473,654.93
  5. Step 5: Solve for x
    x = 3,780,473,654.93/70,621.50
  6. Step 6: Final answer
    x = 53,531.48

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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.