Home / 29,421.56-44,151.78-13,840.40

Finding the Fourth Proportional to 29,421.56, 44,151.78 and 13,840.40

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Solution

The fourth proportional to 29,421.56, 44,151.78 and 13,840.40 is: 20,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.56 : 44,151.78 = 13,840.40 : x
  2. Step 2: Convert to fraction form
    29,421.56/44,151.78 = 13,840.40/x
  3. Step 3: Cross multiply
    29,421.56x = 44,151.78 × 13,840.40
  4. Step 4: Simplify right side
    29,421.56x = 611,078,458.19
  5. Step 5: Solve for x
    x = 611,078,458.19/29,421.56
  6. Step 6: Final answer
    x = 20,769.75

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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.