Home / 45,353.91-68,039.08-18,685.07

Finding the Fourth Proportional to 45,353.91, 68,039.08 and 18,685.07

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Solution

The fourth proportional to 45,353.91, 68,039.08 and 18,685.07 is: 28,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,353.91 : 68,039.08 = 18,685.07 : x
  2. Step 2: Convert to fraction form
    45,353.91/68,039.08 = 18,685.07/x
  3. Step 3: Cross multiply
    45,353.91x = 68,039.08 × 18,685.07
  4. Step 4: Simplify right side
    45,353.91x = 1,271,315,195.81
  5. Step 5: Solve for x
    x = 1,271,315,195.81/45,353.91
  6. Step 6: Final answer
    x = 28,031.00

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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.