Home / 51,655.40-77,483.03-16,619.66

Finding the Fourth Proportional to 51,655.40, 77,483.03 and 16,619.66

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Solution

The fourth proportional to 51,655.40, 77,483.03 and 16,619.66 is: 24,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,655.40 : 77,483.03 = 16,619.66 : x
  2. Step 2: Convert to fraction form
    51,655.40/77,483.03 = 16,619.66/x
  3. Step 3: Cross multiply
    51,655.40x = 77,483.03 × 16,619.66
  4. Step 4: Simplify right side
    51,655.40x = 1,287,741,143.86
  5. Step 5: Solve for x
    x = 1,287,741,143.86/51,655.40
  6. Step 6: Final answer
    x = 24,929.46

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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.