Home / 39,129.83-58,703.08-15,756.27

Finding the Fourth Proportional to 39,129.83, 58,703.08 and 15,756.27

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Solution

The fourth proportional to 39,129.83, 58,703.08 and 15,756.27 is: 23,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.83 : 58,703.08 = 15,756.27 : x
  2. Step 2: Convert to fraction form
    39,129.83/58,703.08 = 15,756.27/x
  3. Step 3: Cross multiply
    39,129.83x = 58,703.08 × 15,756.27
  4. Step 4: Simplify right side
    39,129.83x = 924,941,578.31
  5. Step 5: Solve for x
    x = 924,941,578.31/39,129.83
  6. Step 6: Final answer
    x = 23,637.76

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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.