Home / 55,350.08-76,380-31,482.56

Finding the Fourth Proportional to 55,350.08, 76,380 and 31,482.56

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Solution

The fourth proportional to 55,350.08, 76,380 and 31,482.56 is: 43,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,350.08 : 76,380 = 31,482.56 : x
  2. Step 2: Convert to fraction form
    55,350.08/76,380 = 31,482.56/x
  3. Step 3: Cross multiply
    55,350.08x = 76,380 × 31,482.56
  4. Step 4: Simplify right side
    55,350.08x = 2,404,637,932.80
  5. Step 5: Solve for x
    x = 2,404,637,932.80/55,350.08
  6. Step 6: Final answer
    x = 43,444.16

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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.