Home / 39,168.30-58,752.45-12,866.70

Finding the Fourth Proportional to 39,168.30, 58,752.45 and 12,866.70

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Solution

The fourth proportional to 39,168.30, 58,752.45 and 12,866.70 is: 19,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.30 : 58,752.45 = 12,866.70 : x
  2. Step 2: Convert to fraction form
    39,168.30/58,752.45 = 12,866.70/x
  3. Step 3: Cross multiply
    39,168.30x = 58,752.45 × 12,866.70
  4. Step 4: Simplify right side
    39,168.30x = 755,950,148.42
  5. Step 5: Solve for x
    x = 755,950,148.42/39,168.30
  6. Step 6: Final answer
    x = 19,300.05

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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.