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Finding the Fourth Proportional to 47,009.59, 70,448.08 and 25,959.10

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Solution

The fourth proportional to 47,009.59, 70,448.08 and 25,959.10 is: 38,902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,009.59 : 70,448.08 = 25,959.10 : x
  2. Step 2: Convert to fraction form
    47,009.59/70,448.08 = 25,959.10/x
  3. Step 3: Cross multiply
    47,009.59x = 70,448.08 × 25,959.10
  4. Step 4: Simplify right side
    47,009.59x = 1,828,768,864.75
  5. Step 5: Solve for x
    x = 1,828,768,864.75/47,009.59
  6. Step 6: Final answer
    x = 38,902.04

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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.