Home / 32,616.21-45,010.55-18,471.81

Finding the Fourth Proportional to 32,616.21, 45,010.55 and 18,471.81

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Solution

The fourth proportional to 32,616.21, 45,010.55 and 18,471.81 is: 25,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,616.21 : 45,010.55 = 18,471.81 : x
  2. Step 2: Convert to fraction form
    32,616.21/45,010.55 = 18,471.81/x
  3. Step 3: Cross multiply
    32,616.21x = 45,010.55 × 18,471.81
  4. Step 4: Simplify right side
    32,616.21x = 831,426,327.60
  5. Step 5: Solve for x
    x = 831,426,327.60/32,616.21
  6. Step 6: Final answer
    x = 25,491.20

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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.