Home / 47,585.10-65,646.54-28,454.34

Finding the Fourth Proportional to 47,585.10, 65,646.54 and 28,454.34

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Solution

The fourth proportional to 47,585.10, 65,646.54 and 28,454.34 is: 39,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,585.10 : 65,646.54 = 28,454.34 : x
  2. Step 2: Convert to fraction form
    47,585.10/65,646.54 = 28,454.34/x
  3. Step 3: Cross multiply
    47,585.10x = 65,646.54 × 28,454.34
  4. Step 4: Simplify right side
    47,585.10x = 1,867,928,968.98
  5. Step 5: Solve for x
    x = 1,867,928,968.98/47,585.10
  6. Step 6: Final answer
    x = 39,254.49

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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.