Home / 39,077.38-58,574.76-12,775.06

Finding the Fourth Proportional to 39,077.38, 58,574.76 and 12,775.06

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Solution

The fourth proportional to 39,077.38, 58,574.76 and 12,775.06 is: 19,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,077.38 : 58,574.76 = 12,775.06 : x
  2. Step 2: Convert to fraction form
    39,077.38/58,574.76 = 12,775.06/x
  3. Step 3: Cross multiply
    39,077.38x = 58,574.76 × 12,775.06
  4. Step 4: Simplify right side
    39,077.38x = 748,296,073.49
  5. Step 5: Solve for x
    x = 748,296,073.49/39,077.38
  6. Step 6: Final answer
    x = 19,149.09

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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.