Home / 45,136.29-67,713.55-31,103.04

Finding the Fourth Proportional to 45,136.29, 67,713.55 and 31,103.04

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Solution

The fourth proportional to 45,136.29, 67,713.55 and 31,103.04 is: 46,660.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,136.29 : 67,713.55 = 31,103.04 : x
  2. Step 2: Convert to fraction form
    45,136.29/67,713.55 = 31,103.04/x
  3. Step 3: Cross multiply
    45,136.29x = 67,713.55 × 31,103.04
  4. Step 4: Simplify right side
    45,136.29x = 2,106,097,254.19
  5. Step 5: Solve for x
    x = 2,106,097,254.19/45,136.29
  6. Step 6: Final answer
    x = 46,660.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.