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Finding the Fourth Proportional to 64,010.01, 88,349.63 and 38,880.57

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Solution

The fourth proportional to 64,010.01, 88,349.63 and 38,880.57 is: 53,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,010.01 : 88,349.63 = 38,880.57 : x
  2. Step 2: Convert to fraction form
    64,010.01/88,349.63 = 38,880.57/x
  3. Step 3: Cross multiply
    64,010.01x = 88,349.63 × 38,880.57
  4. Step 4: Simplify right side
    64,010.01x = 3,435,083,973.69
  5. Step 5: Solve for x
    x = 3,435,083,973.69/64,010.01
  6. Step 6: Final answer
    x = 53,664.79

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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.