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Finding the Fourth Proportional to 64,987.31, 97,480.97 and 23,434.31

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Solution

The fourth proportional to 64,987.31, 97,480.97 and 23,434.31 is: 35,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,987.31 : 97,480.97 = 23,434.31 : x
  2. Step 2: Convert to fraction form
    64,987.31/97,480.97 = 23,434.31/x
  3. Step 3: Cross multiply
    64,987.31x = 97,480.97 × 23,434.31
  4. Step 4: Simplify right side
    64,987.31x = 2,284,399,484.49
  5. Step 5: Solve for x
    x = 2,284,399,484.49/64,987.31
  6. Step 6: Final answer
    x = 35,151.47

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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.