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Finding the Fourth Proportional to 30,812.40, 46,218.60 and 29,602.80

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Solution

The fourth proportional to 30,812.40, 46,218.60 and 29,602.80 is: 44,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812.40 : 46,218.60 = 29,602.80 : x
  2. Step 2: Convert to fraction form
    30,812.40/46,218.60 = 29,602.80/x
  3. Step 3: Cross multiply
    30,812.40x = 46,218.60 × 29,602.80
  4. Step 4: Simplify right side
    30,812.40x = 1,368,199,972.08
  5. Step 5: Solve for x
    x = 1,368,199,972.08/30,812.40
  6. Step 6: Final answer
    x = 44,404.20

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1.5x scale

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.