Home / 51,643.20-77,464.80-16,586.40

Finding the Fourth Proportional to 51,643.20, 77,464.80 and 16,586.40

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Solution

The fourth proportional to 51,643.20, 77,464.80 and 16,586.40 is: 24,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,643.20 : 77,464.80 = 16,586.40 : x
  2. Step 2: Convert to fraction form
    51,643.20/77,464.80 = 16,586.40/x
  3. Step 3: Cross multiply
    51,643.20x = 77,464.80 × 16,586.40
  4. Step 4: Simplify right side
    51,643.20x = 1,284,862,158.72
  5. Step 5: Solve for x
    x = 1,284,862,158.72/51,643.20
  6. Step 6: Final answer
    x = 24,879.60

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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.