Home / 32,831.76-45,313.04-18,689.16

Finding the Fourth Proportional to 32,831.76, 45,313.04 and 18,689.16

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Solution

The fourth proportional to 32,831.76, 45,313.04 and 18,689.16 is: 25,794.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,831.76 : 45,313.04 = 18,689.16 : x
  2. Step 2: Convert to fraction form
    32,831.76/45,313.04 = 18,689.16/x
  3. Step 3: Cross multiply
    32,831.76x = 45,313.04 × 18,689.16
  4. Step 4: Simplify right side
    32,831.76x = 846,862,654.65
  5. Step 5: Solve for x
    x = 846,862,654.65/32,831.76
  6. Step 6: Final answer
    x = 25,794.01

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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.