Home / 55,057.08-82,534.80-19,987.32

Finding the Fourth Proportional to 55,057.08, 82,534.80 and 19,987.32

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Solution

The fourth proportional to 55,057.08, 82,534.80 and 19,987.32 is: 29,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,057.08 : 82,534.80 = 19,987.32 : x
  2. Step 2: Convert to fraction form
    55,057.08/82,534.80 = 19,987.32/x
  3. Step 3: Cross multiply
    55,057.08x = 82,534.80 × 19,987.32
  4. Step 4: Simplify right side
    55,057.08x = 1,649,649,458.74
  5. Step 5: Solve for x
    x = 1,649,649,458.74/55,057.08
  6. Step 6: Final answer
    x = 29,962.53

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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.