Home / 45,890.51-63,351.14-30,777.63

Finding the Fourth Proportional to 45,890.51, 63,351.14 and 30,777.63

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Solution

The fourth proportional to 45,890.51, 63,351.14 and 30,777.63 is: 42,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.51 : 63,351.14 = 30,777.63 : x
  2. Step 2: Convert to fraction form
    45,890.51/63,351.14 = 30,777.63/x
  3. Step 3: Cross multiply
    45,890.51x = 63,351.14 × 30,777.63
  4. Step 4: Simplify right side
    45,890.51x = 1,949,797,793.11
  5. Step 5: Solve for x
    x = 1,949,797,793.11/45,890.51
  6. Step 6: Final answer
    x = 42,488.04

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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.