Home / 39,638.85-59,457.87-13,343.42

Finding the Fourth Proportional to 39,638.85, 59,457.87 and 13,343.42

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Solution

The fourth proportional to 39,638.85, 59,457.87 and 13,343.42 is: 20,014.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.85 : 59,457.87 = 13,343.42 : x
  2. Step 2: Convert to fraction form
    39,638.85/59,457.87 = 13,343.42/x
  3. Step 3: Cross multiply
    39,638.85x = 59,457.87 × 13,343.42
  4. Step 4: Simplify right side
    39,638.85x = 793,371,034.43
  5. Step 5: Solve for x
    x = 793,371,034.43/39,638.85
  6. Step 6: Final answer
    x = 20,014.99

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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.