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Finding the Fourth Proportional to 46,871.76, 64,615.76 and 33,419.68

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Solution

The fourth proportional to 46,871.76, 64,615.76 and 33,419.68 is: 46,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,871.76 : 64,615.76 = 33,419.68 : x
  2. Step 2: Convert to fraction form
    46,871.76/64,615.76 = 33,419.68/x
  3. Step 3: Cross multiply
    46,871.76x = 64,615.76 × 33,419.68
  4. Step 4: Simplify right side
    46,871.76x = 2,159,438,022.16
  5. Step 5: Solve for x
    x = 2,159,438,022.16/46,871.76
  6. Step 6: Final answer
    x = 46,071.20

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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.