Home / 47,557.04-65,585.40-40,840.56

Finding the Fourth Proportional to 47,557.04, 65,585.40 and 40,840.56

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Solution

The fourth proportional to 47,557.04, 65,585.40 and 40,840.56 is: 56,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,557.04 : 65,585.40 = 40,840.56 : x
  2. Step 2: Convert to fraction form
    47,557.04/65,585.40 = 40,840.56/x
  3. Step 3: Cross multiply
    47,557.04x = 65,585.40 × 40,840.56
  4. Step 4: Simplify right side
    47,557.04x = 2,678,544,463.82
  5. Step 5: Solve for x
    x = 2,678,544,463.82/47,557.04
  6. Step 6: Final answer
    x = 56,322.78

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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.