Home / 63,400.12-87,493.53-34,720.99

Finding the Fourth Proportional to 63,400.12, 87,493.53 and 34,720.99

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Solution

The fourth proportional to 63,400.12, 87,493.53 and 34,720.99 is: 47,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,400.12 : 87,493.53 = 34,720.99 : x
  2. Step 2: Convert to fraction form
    63,400.12/87,493.53 = 34,720.99/x
  3. Step 3: Cross multiply
    63,400.12x = 87,493.53 × 34,720.99
  4. Step 4: Simplify right side
    63,400.12x = 3,037,861,980.19
  5. Step 5: Solve for x
    x = 3,037,861,980.19/63,400.12
  6. Step 6: Final answer
    x = 47,915.71

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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.