Home / 32,615.21-45,009.17-18,470.81

Finding the Fourth Proportional to 32,615.21, 45,009.17 and 18,470.81

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Solution

The fourth proportional to 32,615.21, 45,009.17 and 18,470.81 is: 25,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,615.21 : 45,009.17 = 18,470.81 : x
  2. Step 2: Convert to fraction form
    32,615.21/45,009.17 = 18,470.81/x
  3. Step 3: Cross multiply
    32,615.21x = 45,009.17 × 18,470.81
  4. Step 4: Simplify right side
    32,615.21x = 831,355,827.33
  5. Step 5: Solve for x
    x = 831,355,827.33/32,615.21
  6. Step 6: Final answer
    x = 25,489.82

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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.