Home / 39,246.91-58,872.40-12,953.70

Finding the Fourth Proportional to 39,246.91, 58,872.40 and 12,953.70

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Solution

The fourth proportional to 39,246.91, 58,872.40 and 12,953.70 is: 19,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,246.91 : 58,872.40 = 12,953.70 : x
  2. Step 2: Convert to fraction form
    39,246.91/58,872.40 = 12,953.70/x
  3. Step 3: Cross multiply
    39,246.91x = 58,872.40 × 12,953.70
  4. Step 4: Simplify right side
    39,246.91x = 762,615,343.11
  5. Step 5: Solve for x
    x = 762,615,343.11/39,246.91
  6. Step 6: Final answer
    x = 19,431.22

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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.