Home / 52,436.07-78,674.90-19,158.30

Finding the Fourth Proportional to 52,436.07, 78,674.90 and 19,158.30

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Solution

The fourth proportional to 52,436.07, 78,674.90 and 19,158.30 is: 28,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,436.07 : 78,674.90 = 19,158.30 : x
  2. Step 2: Convert to fraction form
    52,436.07/78,674.90 = 19,158.30/x
  3. Step 3: Cross multiply
    52,436.07x = 78,674.90 × 19,158.30
  4. Step 4: Simplify right side
    52,436.07x = 1,507,277,240.88
  5. Step 5: Solve for x
    x = 1,507,277,240.88/52,436.07
  6. Step 6: Final answer
    x = 28,745.05

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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.