Home / 39,029.94-58,520.61-12,730.86

Finding the Fourth Proportional to 39,029.94, 58,520.61 and 12,730.86

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Solution

The fourth proportional to 39,029.94, 58,520.61 and 12,730.86 is: 19,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029.94 : 58,520.61 = 12,730.86 : x
  2. Step 2: Convert to fraction form
    39,029.94/58,520.61 = 12,730.86/x
  3. Step 3: Cross multiply
    39,029.94x = 58,520.61 × 12,730.86
  4. Step 4: Simplify right side
    39,029.94x = 745,017,693.02
  5. Step 5: Solve for x
    x = 745,017,693.02/39,029.94
  6. Step 6: Final answer
    x = 19,088.36

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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.