Home / 34,693.63-47,877.18-18,778.05

Finding the Fourth Proportional to 34,693.63, 47,877.18 and 18,778.05

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Solution

The fourth proportional to 34,693.63, 47,877.18 and 18,778.05 is: 25,913.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,693.63 : 47,877.18 = 18,778.05 : x
  2. Step 2: Convert to fraction form
    34,693.63/47,877.18 = 18,778.05/x
  3. Step 3: Cross multiply
    34,693.63x = 47,877.18 × 18,778.05
  4. Step 4: Simplify right side
    34,693.63x = 899,039,840.51
  5. Step 5: Solve for x
    x = 899,039,840.51/34,693.63
  6. Step 6: Final answer
    x = 25,913.69

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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.