Home / 39,055.32-58,557.06-12,750.84

Finding the Fourth Proportional to 39,055.32, 58,557.06 and 12,750.84

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Solution

The fourth proportional to 39,055.32, 58,557.06 and 12,750.84 is: 19,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,055.32 : 58,557.06 = 12,750.84 : x
  2. Step 2: Convert to fraction form
    39,055.32/58,557.06 = 12,750.84/x
  3. Step 3: Cross multiply
    39,055.32x = 58,557.06 × 12,750.84
  4. Step 4: Simplify right side
    39,055.32x = 746,651,702.93
  5. Step 5: Solve for x
    x = 746,651,702.93/39,055.32
  6. Step 6: Final answer
    x = 19,117.80

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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.