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Finding the Fourth Proportional to 46,707.68, 70,059.56 and 21,739.14

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Solution

The fourth proportional to 46,707.68, 70,059.56 and 21,739.14 is: 32,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,707.68 : 70,059.56 = 21,739.14 : x
  2. Step 2: Convert to fraction form
    46,707.68/70,059.56 = 21,739.14/x
  3. Step 3: Cross multiply
    46,707.68x = 70,059.56 × 21,739.14
  4. Step 4: Simplify right side
    46,707.68x = 1,523,034,583.18
  5. Step 5: Solve for x
    x = 1,523,034,583.18/46,707.68
  6. Step 6: Final answer
    x = 32,607.80

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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.