Home / 39,120.87-58,681.26-14,160.83

Finding the Fourth Proportional to 39,120.87, 58,681.26 and 14,160.83

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Solution

The fourth proportional to 39,120.87, 58,681.26 and 14,160.83 is: 21,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,120.87 : 58,681.26 = 14,160.83 : x
  2. Step 2: Convert to fraction form
    39,120.87/58,681.26 = 14,160.83/x
  3. Step 3: Cross multiply
    39,120.87x = 58,681.26 × 14,160.83
  4. Step 4: Simplify right side
    39,120.87x = 830,975,053.64
  5. Step 5: Solve for x
    x = 830,975,053.64/39,120.87
  6. Step 6: Final answer
    x = 21,241.22

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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.