Home / 51,216.53-70,690.16-33,280.40

Finding the Fourth Proportional to 51,216.53, 70,690.16 and 33,280.40

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Solution

The fourth proportional to 51,216.53, 70,690.16 and 33,280.40 is: 45,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.53 : 70,690.16 = 33,280.40 : x
  2. Step 2: Convert to fraction form
    51,216.53/70,690.16 = 33,280.40/x
  3. Step 3: Cross multiply
    51,216.53x = 70,690.16 × 33,280.40
  4. Step 4: Simplify right side
    51,216.53x = 2,352,596,800.86
  5. Step 5: Solve for x
    x = 2,352,596,800.86/51,216.53
  6. Step 6: Final answer
    x = 45,934.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.