Home / 64,401.30-96,622.20-31,122.45

Finding the Fourth Proportional to 64,401.30, 96,622.20 and 31,122.45

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Solution

The fourth proportional to 64,401.30, 96,622.20 and 31,122.45 is: 46,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,401.30 : 96,622.20 = 31,122.45 : x
  2. Step 2: Convert to fraction form
    64,401.30/96,622.20 = 31,122.45/x
  3. Step 3: Cross multiply
    64,401.30x = 96,622.20 × 31,122.45
  4. Step 4: Simplify right side
    64,401.30x = 3,007,119,588.39
  5. Step 5: Solve for x
    x = 3,007,119,588.39/64,401.30
  6. Step 6: Final answer
    x = 46,693.46

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1.5x scale

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.