Home / 30,364.32-45,539.13-15,565.62

Finding the Fourth Proportional to 30,364.32, 45,539.13 and 15,565.62

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Solution

The fourth proportional to 30,364.32, 45,539.13 and 15,565.62 is: 23,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.32 : 45,539.13 = 15,565.62 : x
  2. Step 2: Convert to fraction form
    30,364.32/45,539.13 = 15,565.62/x
  3. Step 3: Cross multiply
    30,364.32x = 45,539.13 × 15,565.62
  4. Step 4: Simplify right side
    30,364.32x = 708,844,792.71
  5. Step 5: Solve for x
    x = 708,844,792.71/30,364.32
  6. Step 6: Final answer
    x = 23,344.66

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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.