Home / 39,127.29-58,674.98-19,145.40

Finding the Fourth Proportional to 39,127.29, 58,674.98 and 19,145.40

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Solution

The fourth proportional to 39,127.29, 58,674.98 and 19,145.40 is: 28,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,127.29 : 58,674.98 = 19,145.40 : x
  2. Step 2: Convert to fraction form
    39,127.29/58,674.98 = 19,145.40/x
  3. Step 3: Cross multiply
    39,127.29x = 58,674.98 × 19,145.40
  4. Step 4: Simplify right side
    39,127.29x = 1,123,355,789.92
  5. Step 5: Solve for x
    x = 1,123,355,789.92/39,127.29
  6. Step 6: Final answer
    x = 28,710.29

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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.