Home / 48,561.90-67,020.75-30,655.98

Finding the Fourth Proportional to 48,561.90, 67,020.75 and 30,655.98

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Solution

The fourth proportional to 48,561.90, 67,020.75 and 30,655.98 is: 42,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,561.90 : 67,020.75 = 30,655.98 : x
  2. Step 2: Convert to fraction form
    48,561.90/67,020.75 = 30,655.98/x
  3. Step 3: Cross multiply
    48,561.90x = 67,020.75 × 30,655.98
  4. Step 4: Simplify right side
    48,561.90x = 2,054,586,771.59
  5. Step 5: Solve for x
    x = 2,054,586,771.59/48,561.90
  6. Step 6: Final answer
    x = 42,308.62

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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.