Home / 31,526.62-43,508.64-17,379.40

Finding the Fourth Proportional to 31,526.62, 43,508.64 and 17,379.40

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Solution

The fourth proportional to 31,526.62, 43,508.64 and 17,379.40 is: 23,984.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.62 : 43,508.64 = 17,379.40 : x
  2. Step 2: Convert to fraction form
    31,526.62/43,508.64 = 17,379.40/x
  3. Step 3: Cross multiply
    31,526.62x = 43,508.64 × 17,379.40
  4. Step 4: Simplify right side
    31,526.62x = 756,154,058.02
  5. Step 5: Solve for x
    x = 756,154,058.02/31,526.62
  6. Step 6: Final answer
    x = 23,984.62

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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.