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Finding the Fourth Proportional to 64,030.55, 88,358.56 and 35,738.06

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Solution

The fourth proportional to 64,030.55, 88,358.56 and 35,738.06 is: 49,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,030.55 : 88,358.56 = 35,738.06 : x
  2. Step 2: Convert to fraction form
    64,030.55/88,358.56 = 35,738.06/x
  3. Step 3: Cross multiply
    64,030.55x = 88,358.56 × 35,738.06
  4. Step 4: Simplify right side
    64,030.55x = 3,157,762,987.66
  5. Step 5: Solve for x
    x = 3,157,762,987.66/64,030.55
  6. Step 6: Final answer
    x = 49,316.51

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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.