Home / 64,170.09-96,174.90-30,881.21

Finding the Fourth Proportional to 64,170.09, 96,174.90 and 30,881.21

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Solution

The fourth proportional to 64,170.09, 96,174.90 and 30,881.21 is: 46,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,170.09 : 96,174.90 = 30,881.21 : x
  2. Step 2: Convert to fraction form
    64,170.09/96,174.90 = 30,881.21/x
  3. Step 3: Cross multiply
    64,170.09x = 96,174.90 × 30,881.21
  4. Step 4: Simplify right side
    64,170.09x = 2,969,996,802.75
  5. Step 5: Solve for x
    x = 2,969,996,802.75/64,170.09
  6. Step 6: Final answer
    x = 46,283.20

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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.