Home / 56,394.56-84,630.12-30,118.16

Finding the Fourth Proportional to 56,394.56, 84,630.12 and 30,118.16

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Solution

The fourth proportional to 56,394.56, 84,630.12 and 30,118.16 is: 45,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,394.56 : 84,630.12 = 30,118.16 : x
  2. Step 2: Convert to fraction form
    56,394.56/84,630.12 = 30,118.16/x
  3. Step 3: Cross multiply
    56,394.56x = 84,630.12 × 30,118.16
  4. Step 4: Simplify right side
    56,394.56x = 2,548,903,494.98
  5. Step 5: Solve for x
    x = 2,548,903,494.98/56,394.56
  6. Step 6: Final answer
    x = 45,197.68

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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.