Home / 39,106.85-58,668.81-14,144.30

Finding the Fourth Proportional to 39,106.85, 58,668.81 and 14,144.30

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Solution

The fourth proportional to 39,106.85, 58,668.81 and 14,144.30 is: 21,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.85 : 58,668.81 = 14,144.30 : x
  2. Step 2: Convert to fraction form
    39,106.85/58,668.81 = 14,144.30/x
  3. Step 3: Cross multiply
    39,106.85x = 58,668.81 × 14,144.30
  4. Step 4: Simplify right side
    39,106.85x = 829,828,955.94
  5. Step 5: Solve for x
    x = 829,828,955.94/39,106.85
  6. Step 6: Final answer
    x = 21,219.53

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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.