Home / 30,384.76-41,931-17,809.52

Finding the Fourth Proportional to 30,384.76, 41,931 and 17,809.52

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Solution

The fourth proportional to 30,384.76, 41,931 and 17,809.52 is: 24,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,384.76 : 41,931 = 17,809.52 : x
  2. Step 2: Convert to fraction form
    30,384.76/41,931 = 17,809.52/x
  3. Step 3: Cross multiply
    30,384.76x = 41,931 × 17,809.52
  4. Step 4: Simplify right side
    30,384.76x = 746,770,983.12
  5. Step 5: Solve for x
    x = 746,770,983.12/30,384.76
  6. Step 6: Final answer
    x = 24,577.16

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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.