Home / 39,386.52-59,053.66-20,643.93

Finding the Fourth Proportional to 39,386.52, 59,053.66 and 20,643.93

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Solution

The fourth proportional to 39,386.52, 59,053.66 and 20,643.93 is: 30,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386.52 : 59,053.66 = 20,643.93 : x
  2. Step 2: Convert to fraction form
    39,386.52/59,053.66 = 20,643.93/x
  3. Step 3: Cross multiply
    39,386.52x = 59,053.66 × 20,643.93
  4. Step 4: Simplify right side
    39,386.52x = 1,219,099,571.67
  5. Step 5: Solve for x
    x = 1,219,099,571.67/39,386.52
  6. Step 6: Final answer
    x = 30,952.20

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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.