Home / 35,139.62-52,726.75-16,420.95

Finding the Fourth Proportional to 35,139.62, 52,726.75 and 16,420.95

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Solution

The fourth proportional to 35,139.62, 52,726.75 and 16,420.95 is: 24,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,139.62 : 52,726.75 = 16,420.95 : x
  2. Step 2: Convert to fraction form
    35,139.62/52,726.75 = 16,420.95/x
  3. Step 3: Cross multiply
    35,139.62x = 52,726.75 × 16,420.95
  4. Step 4: Simplify right side
    35,139.62x = 865,823,325.41
  5. Step 5: Solve for x
    x = 865,823,325.41/35,139.62
  6. Step 6: Final answer
    x = 24,639.52

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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.