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Finding the Fourth Proportional to 46,959.84, 70,439.73 and 28,452.96

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Solution

The fourth proportional to 46,959.84, 70,439.73 and 28,452.96 is: 42,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,959.84 : 70,439.73 = 28,452.96 : x
  2. Step 2: Convert to fraction form
    46,959.84/70,439.73 = 28,452.96/x
  3. Step 3: Cross multiply
    46,959.84x = 70,439.73 × 28,452.96
  4. Step 4: Simplify right side
    46,959.84x = 2,004,218,820.10
  5. Step 5: Solve for x
    x = 2,004,218,820.10/46,959.84
  6. Step 6: Final answer
    x = 42,679.42

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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.