Home / 39,146.74-58,707.80-12,845.32

Finding the Fourth Proportional to 39,146.74, 58,707.80 and 12,845.32

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Solution

The fourth proportional to 39,146.74, 58,707.80 and 12,845.32 is: 19,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,146.74 : 58,707.80 = 12,845.32 : x
  2. Step 2: Convert to fraction form
    39,146.74/58,707.80 = 12,845.32/x
  3. Step 3: Cross multiply
    39,146.74x = 58,707.80 × 12,845.32
  4. Step 4: Simplify right side
    39,146.74x = 754,120,477.50
  5. Step 5: Solve for x
    x = 754,120,477.50/39,146.74
  6. Step 6: Final answer
    x = 19,263.94

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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.