Home / 39,135.72-58,698.80-16,655.46

Finding the Fourth Proportional to 39,135.72, 58,698.80 and 16,655.46

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Solution

The fourth proportional to 39,135.72, 58,698.80 and 16,655.46 is: 24,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.72 : 58,698.80 = 16,655.46 : x
  2. Step 2: Convert to fraction form
    39,135.72/58,698.80 = 16,655.46/x
  3. Step 3: Cross multiply
    39,135.72x = 58,698.80 × 16,655.46
  4. Step 4: Simplify right side
    39,135.72x = 977,655,515.45
  5. Step 5: Solve for x
    x = 977,655,515.45/39,135.72
  6. Step 6: Final answer
    x = 24,981.16

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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.