Home / 30,402.52-41,970.75-19,088.44

Finding the Fourth Proportional to 30,402.52, 41,970.75 and 19,088.44

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Solution

The fourth proportional to 30,402.52, 41,970.75 and 19,088.44 is: 26,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402.52 : 41,970.75 = 19,088.44 : x
  2. Step 2: Convert to fraction form
    30,402.52/41,970.75 = 19,088.44/x
  3. Step 3: Cross multiply
    30,402.52x = 41,970.75 × 19,088.44
  4. Step 4: Simplify right side
    30,402.52x = 801,156,143.13
  5. Step 5: Solve for x
    x = 801,156,143.13/30,402.52
  6. Step 6: Final answer
    x = 26,351.64

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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.