Home / 47,278.08-70,920.48-19,184.64

Finding the Fourth Proportional to 47,278.08, 70,920.48 and 19,184.64

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Solution

The fourth proportional to 47,278.08, 70,920.48 and 19,184.64 is: 28,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278.08 : 70,920.48 = 19,184.64 : x
  2. Step 2: Convert to fraction form
    47,278.08/70,920.48 = 19,184.64/x
  3. Step 3: Cross multiply
    47,278.08x = 70,920.48 × 19,184.64
  4. Step 4: Simplify right side
    47,278.08x = 1,360,583,877.43
  5. Step 5: Solve for x
    x = 1,360,583,877.43/47,278.08
  6. Step 6: Final answer
    x = 28,778.32

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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.