Home / 39,143.27-58,715.26-12,493.30

Finding the Fourth Proportional to 39,143.27, 58,715.26 and 12,493.30

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Solution

The fourth proportional to 39,143.27, 58,715.26 and 12,493.30 is: 18,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.27 : 58,715.26 = 12,493.30 : x
  2. Step 2: Convert to fraction form
    39,143.27/58,715.26 = 12,493.30/x
  3. Step 3: Cross multiply
    39,143.27x = 58,715.26 × 12,493.30
  4. Step 4: Simplify right side
    39,143.27x = 733,547,510.01
  5. Step 5: Solve for x
    x = 733,547,510.01/39,143.27
  6. Step 6: Final answer
    x = 18,740.07

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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.