Home / 32,666.16-48,960.36-18,786

Finding the Fourth Proportional to 32,666.16, 48,960.36 and 18,786

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Solution

The fourth proportional to 32,666.16, 48,960.36 and 18,786 is: 28,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,666.16 : 48,960.36 = 18,786 : x
  2. Step 2: Convert to fraction form
    32,666.16/48,960.36 = 18,786/x
  3. Step 3: Cross multiply
    32,666.16x = 48,960.36 × 18,786
  4. Step 4: Simplify right side
    32,666.16x = 919,769,322.96
  5. Step 5: Solve for x
    x = 919,769,322.96/32,666.16
  6. Step 6: Final answer
    x = 28,156.64

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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.