Home / 48,618.32-72,946.92-20,935.76

Finding the Fourth Proportional to 48,618.32, 72,946.92 and 20,935.76

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Solution

The fourth proportional to 48,618.32, 72,946.92 and 20,935.76 is: 31,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,618.32 : 72,946.92 = 20,935.76 : x
  2. Step 2: Convert to fraction form
    48,618.32/72,946.92 = 20,935.76/x
  3. Step 3: Cross multiply
    48,618.32x = 72,946.92 × 20,935.76
  4. Step 4: Simplify right side
    48,618.32x = 1,527,199,209.86
  5. Step 5: Solve for x
    x = 1,527,199,209.86/48,618.32
  6. Step 6: Final answer
    x = 31,412.01

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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.