Home / 47,555.02-65,626.37-28,688.50

Finding the Fourth Proportional to 47,555.02, 65,626.37 and 28,688.50

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Solution

The fourth proportional to 47,555.02, 65,626.37 and 28,688.50 is: 39,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,555.02 : 65,626.37 = 28,688.50 : x
  2. Step 2: Convert to fraction form
    47,555.02/65,626.37 = 28,688.50/x
  3. Step 3: Cross multiply
    47,555.02x = 65,626.37 × 28,688.50
  4. Step 4: Simplify right side
    47,555.02x = 1,882,722,115.75
  5. Step 5: Solve for x
    x = 1,882,722,115.75/47,555.02
  6. Step 6: Final answer
    x = 39,590.40

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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.