Home / 55,632.48-76,772.46-31,441.32

Finding the Fourth Proportional to 55,632.48, 76,772.46 and 31,441.32

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Solution

The fourth proportional to 55,632.48, 76,772.46 and 31,441.32 is: 43,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632.48 : 76,772.46 = 31,441.32 : x
  2. Step 2: Convert to fraction form
    55,632.48/76,772.46 = 31,441.32/x
  3. Step 3: Cross multiply
    55,632.48x = 76,772.46 × 31,441.32
  4. Step 4: Simplify right side
    55,632.48x = 2,413,827,482.05
  5. Step 5: Solve for x
    x = 2,413,827,482.05/55,632.48
  6. Step 6: Final answer
    x = 43,388.82

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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.