Home / 39,151.80-58,737.72-12,856.74

Finding the Fourth Proportional to 39,151.80, 58,737.72 and 12,856.74

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Solution

The fourth proportional to 39,151.80, 58,737.72 and 12,856.74 is: 19,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.80 : 58,737.72 = 12,856.74 : x
  2. Step 2: Convert to fraction form
    39,151.80/58,737.72 = 12,856.74/x
  3. Step 3: Cross multiply
    39,151.80x = 58,737.72 × 12,856.74
  4. Step 4: Simplify right side
    39,151.80x = 755,175,594.23
  5. Step 5: Solve for x
    x = 755,175,594.23/39,151.80
  6. Step 6: Final answer
    x = 19,288.40

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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.