Home / 39,019.86-58,542.93-12,370.20

Finding the Fourth Proportional to 39,019.86, 58,542.93 and 12,370.20

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Solution

The fourth proportional to 39,019.86, 58,542.93 and 12,370.20 is: 18,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,019.86 : 58,542.93 = 12,370.20 : x
  2. Step 2: Convert to fraction form
    39,019.86/58,542.93 = 12,370.20/x
  3. Step 3: Cross multiply
    39,019.86x = 58,542.93 × 12,370.20
  4. Step 4: Simplify right side
    39,019.86x = 724,187,752.69
  5. Step 5: Solve for x
    x = 724,187,752.69/39,019.86
  6. Step 6: Final answer
    x = 18,559.47

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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.