Home / 50,946.36-70,332.84-30,807.72

Finding the Fourth Proportional to 50,946.36, 70,332.84 and 30,807.72

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Solution

The fourth proportional to 50,946.36, 70,332.84 and 30,807.72 is: 42,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,946.36 : 70,332.84 = 30,807.72 : x
  2. Step 2: Convert to fraction form
    50,946.36/70,332.84 = 30,807.72/x
  3. Step 3: Cross multiply
    50,946.36x = 70,332.84 × 30,807.72
  4. Step 4: Simplify right side
    50,946.36x = 2,166,794,441.52
  5. Step 5: Solve for x
    x = 2,166,794,441.52/50,946.36
  6. Step 6: Final answer
    x = 42,530.90

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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.