Home / 40,017.78-59,994.27-16,661.70

Finding the Fourth Proportional to 40,017.78, 59,994.27 and 16,661.70

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Solution

The fourth proportional to 40,017.78, 59,994.27 and 16,661.70 is: 24,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017.78 : 59,994.27 = 16,661.70 : x
  2. Step 2: Convert to fraction form
    40,017.78/59,994.27 = 16,661.70/x
  3. Step 3: Cross multiply
    40,017.78x = 59,994.27 × 16,661.70
  4. Step 4: Simplify right side
    40,017.78x = 999,606,528.46
  5. Step 5: Solve for x
    x = 999,606,528.46/40,017.78
  6. Step 6: Final answer
    x = 24,979.06

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1.5x scale

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.