Home / 52,440.32-78,655.36-19,184.64

Finding the Fourth Proportional to 52,440.32, 78,655.36 and 19,184.64

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Solution

The fourth proportional to 52,440.32, 78,655.36 and 19,184.64 is: 28,775.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,440.32 : 78,655.36 = 19,184.64 : x
  2. Step 2: Convert to fraction form
    52,440.32/78,655.36 = 19,184.64/x
  3. Step 3: Cross multiply
    52,440.32x = 78,655.36 × 19,184.64
  4. Step 4: Simplify right side
    52,440.32x = 1,508,974,765.67
  5. Step 5: Solve for x
    x = 1,508,974,765.67/52,440.32
  6. Step 6: Final answer
    x = 28,775.09

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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.