Home / 64,401.07-88,874.39-38,903.90

Finding the Fourth Proportional to 64,401.07, 88,874.39 and 38,903.90

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Solution

The fourth proportional to 64,401.07, 88,874.39 and 38,903.90 is: 53,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,401.07 : 88,874.39 = 38,903.90 : x
  2. Step 2: Convert to fraction form
    64,401.07/88,874.39 = 38,903.90/x
  3. Step 3: Cross multiply
    64,401.07x = 88,874.39 × 38,903.90
  4. Step 4: Simplify right side
    64,401.07x = 3,457,560,034.01
  5. Step 5: Solve for x
    x = 3,457,560,034.01/64,401.07
  6. Step 6: Final answer
    x = 53,687.93

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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.