Home / 30,707.19-45,743.88-29,777.94

Finding the Fourth Proportional to 30,707.19, 45,743.88 and 29,777.94

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Solution

The fourth proportional to 30,707.19, 45,743.88 and 29,777.94 is: 44,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,707.19 : 45,743.88 = 29,777.94 : x
  2. Step 2: Convert to fraction form
    30,707.19/45,743.88 = 29,777.94/x
  3. Step 3: Cross multiply
    30,707.19x = 45,743.88 × 29,777.94
  4. Step 4: Simplify right side
    30,707.19x = 1,362,158,514.01
  5. Step 5: Solve for x
    x = 1,362,158,514.01/30,707.19
  6. Step 6: Final answer
    x = 44,359.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.