Home / 39,117.74-58,684.77-12,820.41

Finding the Fourth Proportional to 39,117.74, 58,684.77 and 12,820.41

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Solution

The fourth proportional to 39,117.74, 58,684.77 and 12,820.41 is: 19,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,117.74 : 58,684.77 = 12,820.41 : x
  2. Step 2: Convert to fraction form
    39,117.74/58,684.77 = 12,820.41/x
  3. Step 3: Cross multiply
    39,117.74x = 58,684.77 × 12,820.41
  4. Step 4: Simplify right side
    39,117.74x = 752,362,812.16
  5. Step 5: Solve for x
    x = 752,362,812.16/39,117.74
  6. Step 6: Final answer
    x = 19,233.29

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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.