Home / 46,679.20-64,403.52-28,777.12

Finding the Fourth Proportional to 46,679.20, 64,403.52 and 28,777.12

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Solution

The fourth proportional to 46,679.20, 64,403.52 and 28,777.12 is: 39,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,679.20 : 64,403.52 = 28,777.12 : x
  2. Step 2: Convert to fraction form
    46,679.20/64,403.52 = 28,777.12/x
  3. Step 3: Cross multiply
    46,679.20x = 64,403.52 × 28,777.12
  4. Step 4: Simplify right side
    46,679.20x = 1,853,347,823.46
  5. Step 5: Solve for x
    x = 1,853,347,823.46/46,679.20
  6. Step 6: Final answer
    x = 39,703.93

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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.