Home / 52,454.64-78,680.88-13,011.30

Finding the Fourth Proportional to 52,454.64, 78,680.88 and 13,011.30

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Solution

The fourth proportional to 52,454.64, 78,680.88 and 13,011.30 is: 19,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.64 : 78,680.88 = 13,011.30 : x
  2. Step 2: Convert to fraction form
    52,454.64/78,680.88 = 13,011.30/x
  3. Step 3: Cross multiply
    52,454.64x = 78,680.88 × 13,011.30
  4. Step 4: Simplify right side
    52,454.64x = 1,023,740,533.94
  5. Step 5: Solve for x
    x = 1,023,740,533.94/52,454.64
  6. Step 6: Final answer
    x = 19,516.68

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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.