Home / 52,240.64-78,360.98-18,960.63

Finding the Fourth Proportional to 52,240.64, 78,360.98 and 18,960.63

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Solution

The fourth proportional to 52,240.64, 78,360.98 and 18,960.63 is: 28,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,240.64 : 78,360.98 = 18,960.63 : x
  2. Step 2: Convert to fraction form
    52,240.64/78,360.98 = 18,960.63/x
  3. Step 3: Cross multiply
    52,240.64x = 78,360.98 × 18,960.63
  4. Step 4: Simplify right side
    52,240.64x = 1,485,773,453.41
  5. Step 5: Solve for x
    x = 1,485,773,453.41/52,240.64
  6. Step 6: Final answer
    x = 28,440.95

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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.