Home / 30,657.27-45,960.83-15,870.41

Finding the Fourth Proportional to 30,657.27, 45,960.83 and 15,870.41

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Solution

The fourth proportional to 30,657.27, 45,960.83 and 15,870.41 is: 23,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,657.27 : 45,960.83 = 15,870.41 : x
  2. Step 2: Convert to fraction form
    30,657.27/45,960.83 = 15,870.41/x
  3. Step 3: Cross multiply
    30,657.27x = 45,960.83 × 15,870.41
  4. Step 4: Simplify right side
    30,657.27x = 729,417,216.04
  5. Step 5: Solve for x
    x = 729,417,216.04/30,657.27
  6. Step 6: Final answer
    x = 23,792.63

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1.5x scale

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.