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Finding the Fourth Proportional to 46,679.60, 70,008.60 and 15,506.48

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Solution

The fourth proportional to 46,679.60, 70,008.60 and 15,506.48 is: 23,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,679.60 : 70,008.60 = 15,506.48 : x
  2. Step 2: Convert to fraction form
    46,679.60/70,008.60 = 15,506.48/x
  3. Step 3: Cross multiply
    46,679.60x = 70,008.60 × 15,506.48
  4. Step 4: Simplify right side
    46,679.60x = 1,085,586,955.73
  5. Step 5: Solve for x
    x = 1,085,586,955.73/46,679.60
  6. Step 6: Final answer
    x = 23,256.13

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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.