Home / 51,378.06-77,066.85-16,320.45

Finding the Fourth Proportional to 51,378.06, 77,066.85 and 16,320.45

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Solution

The fourth proportional to 51,378.06, 77,066.85 and 16,320.45 is: 24,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,378.06 : 77,066.85 = 16,320.45 : x
  2. Step 2: Convert to fraction form
    51,378.06/77,066.85 = 16,320.45/x
  3. Step 3: Cross multiply
    51,378.06x = 77,066.85 × 16,320.45
  4. Step 4: Simplify right side
    51,378.06x = 1,257,765,672.08
  5. Step 5: Solve for x
    x = 1,257,765,672.08/51,378.06
  6. Step 6: Final answer
    x = 24,480.60

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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.