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Finding the Fourth Proportional to 47,094.88, 70,547.94 and 28,364.44

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Solution

The fourth proportional to 47,094.88, 70,547.94 and 28,364.44 is: 42,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,094.88 : 70,547.94 = 28,364.44 : x
  2. Step 2: Convert to fraction form
    47,094.88/70,547.94 = 28,364.44/x
  3. Step 3: Cross multiply
    47,094.88x = 70,547.94 × 28,364.44
  4. Step 4: Simplify right side
    47,094.88x = 2,001,052,811.25
  5. Step 5: Solve for x
    x = 2,001,052,811.25/47,094.88
  6. Step 6: Final answer
    x = 42,489.82

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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.