Home / 30,762.11-42,451.71-16,614.96

Finding the Fourth Proportional to 30,762.11, 42,451.71 and 16,614.96

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Solution

The fourth proportional to 30,762.11, 42,451.71 and 16,614.96 is: 22,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,762.11 : 42,451.71 = 16,614.96 : x
  2. Step 2: Convert to fraction form
    30,762.11/42,451.71 = 16,614.96/x
  3. Step 3: Cross multiply
    30,762.11x = 42,451.71 × 16,614.96
  4. Step 4: Simplify right side
    30,762.11x = 705,333,463.58
  5. Step 5: Solve for x
    x = 705,333,463.58/30,762.11
  6. Step 6: Final answer
    x = 22,928.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.