Home / 39,491.68-59,214.64-18,715.04

Finding the Fourth Proportional to 39,491.68, 59,214.64 and 18,715.04

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Solution

The fourth proportional to 39,491.68, 59,214.64 and 18,715.04 is: 28,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491.68 : 59,214.64 = 18,715.04 : x
  2. Step 2: Convert to fraction form
    39,491.68/59,214.64 = 18,715.04/x
  3. Step 3: Cross multiply
    39,491.68x = 59,214.64 × 18,715.04
  4. Step 4: Simplify right side
    39,491.68x = 1,108,204,356.19
  5. Step 5: Solve for x
    x = 1,108,204,356.19/39,491.68
  6. Step 6: Final answer
    x = 28,061.72

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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.