Home / 47,135.89-65,038.20-26,440.05

Finding the Fourth Proportional to 47,135.89, 65,038.20 and 26,440.05

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Solution

The fourth proportional to 47,135.89, 65,038.20 and 26,440.05 is: 36,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.89 : 65,038.20 = 26,440.05 : x
  2. Step 2: Convert to fraction form
    47,135.89/65,038.20 = 26,440.05/x
  3. Step 3: Cross multiply
    47,135.89x = 65,038.20 × 26,440.05
  4. Step 4: Simplify right side
    47,135.89x = 1,719,613,455.56
  5. Step 5: Solve for x
    x = 1,719,613,455.56/47,135.89
  6. Step 6: Final answer
    x = 36,482.04

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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.