Home / 31,302.77-46,891.56-18,816.02

Finding the Fourth Proportional to 31,302.77, 46,891.56 and 18,816.02

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Solution

The fourth proportional to 31,302.77, 46,891.56 and 18,816.02 is: 28,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302.77 : 46,891.56 = 18,816.02 : x
  2. Step 2: Convert to fraction form
    31,302.77/46,891.56 = 18,816.02/x
  3. Step 3: Cross multiply
    31,302.77x = 46,891.56 × 18,816.02
  4. Step 4: Simplify right side
    31,302.77x = 882,312,530.79
  5. Step 5: Solve for x
    x = 882,312,530.79/31,302.77
  6. Step 6: Final answer
    x = 28,186.40

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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.