Home / 35,386.80-53,065.08-12,002.64

Finding the Fourth Proportional to 35,386.80, 53,065.08 and 12,002.64

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Solution

The fourth proportional to 35,386.80, 53,065.08 and 12,002.64 is: 17,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,386.80 : 53,065.08 = 12,002.64 : x
  2. Step 2: Convert to fraction form
    35,386.80/53,065.08 = 12,002.64/x
  3. Step 3: Cross multiply
    35,386.80x = 53,065.08 × 12,002.64
  4. Step 4: Simplify right side
    35,386.80x = 636,921,051.81
  5. Step 5: Solve for x
    x = 636,921,051.81/35,386.80
  6. Step 6: Final answer
    x = 17,998.83

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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.