Home / 39,219.12-58,829.42-12,924.09

Finding the Fourth Proportional to 39,219.12, 58,829.42 and 12,924.09

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Solution

The fourth proportional to 39,219.12, 58,829.42 and 12,924.09 is: 19,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.12 : 58,829.42 = 12,924.09 : x
  2. Step 2: Convert to fraction form
    39,219.12/58,829.42 = 12,924.09/x
  3. Step 3: Cross multiply
    39,219.12x = 58,829.42 × 12,924.09
  4. Step 4: Simplify right side
    39,219.12x = 760,316,751.04
  5. Step 5: Solve for x
    x = 760,316,751.04/39,219.12
  6. Step 6: Final answer
    x = 19,386.38

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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.