Home / 51,803.55-71,486.15-30,575.07

Finding the Fourth Proportional to 51,803.55, 71,486.15 and 30,575.07

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Solution

The fourth proportional to 51,803.55, 71,486.15 and 30,575.07 is: 42,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,803.55 : 71,486.15 = 30,575.07 : x
  2. Step 2: Convert to fraction form
    51,803.55/71,486.15 = 30,575.07/x
  3. Step 3: Cross multiply
    51,803.55x = 71,486.15 × 30,575.07
  4. Step 4: Simplify right side
    51,803.55x = 2,185,693,887.41
  5. Step 5: Solve for x
    x = 2,185,693,887.41/51,803.55
  6. Step 6: Final answer
    x = 42,191.97

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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.