Home / 56,507.56-84,775.32-39,900.16

Finding the Fourth Proportional to 56,507.56, 84,775.32 and 39,900.16

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Solution

The fourth proportional to 56,507.56, 84,775.32 and 39,900.16 is: 59,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,507.56 : 84,775.32 = 39,900.16 : x
  2. Step 2: Convert to fraction form
    56,507.56/84,775.32 = 39,900.16/x
  3. Step 3: Cross multiply
    56,507.56x = 84,775.32 × 39,900.16
  4. Step 4: Simplify right side
    56,507.56x = 3,382,548,832.05
  5. Step 5: Solve for x
    x = 3,382,548,832.05/56,507.56
  6. Step 6: Final answer
    x = 59,860.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.