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Finding the Fourth Proportional to 47,293.84, 70,940.28 and 14,014.16

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Solution

The fourth proportional to 47,293.84, 70,940.28 and 14,014.16 is: 21,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,293.84 : 70,940.28 = 14,014.16 : x
  2. Step 2: Convert to fraction form
    47,293.84/70,940.28 = 14,014.16/x
  3. Step 3: Cross multiply
    47,293.84x = 70,940.28 × 14,014.16
  4. Step 4: Simplify right side
    47,293.84x = 994,168,434.36
  5. Step 5: Solve for x
    x = 994,168,434.36/47,293.84
  6. Step 6: Final answer
    x = 21,021.10

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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.