Home / 30,110.37-41,528.91-20,557.94

Finding the Fourth Proportional to 30,110.37, 41,528.91 and 20,557.94

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Solution

The fourth proportional to 30,110.37, 41,528.91 and 20,557.94 is: 28,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.37 : 41,528.91 = 20,557.94 : x
  2. Step 2: Convert to fraction form
    30,110.37/41,528.91 = 20,557.94/x
  3. Step 3: Cross multiply
    30,110.37x = 41,528.91 × 20,557.94
  4. Step 4: Simplify right side
    30,110.37x = 853,748,840.05
  5. Step 5: Solve for x
    x = 853,748,840.05/30,110.37
  6. Step 6: Final answer
    x = 28,353.98

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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.