Home / 46,783.20-70,178.40-15,618.48

Finding the Fourth Proportional to 46,783.20, 70,178.40 and 15,618.48

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Solution

The fourth proportional to 46,783.20, 70,178.40 and 15,618.48 is: 23,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,783.20 : 70,178.40 = 15,618.48 : x
  2. Step 2: Convert to fraction form
    46,783.20/70,178.40 = 15,618.48/x
  3. Step 3: Cross multiply
    46,783.20x = 70,178.40 × 15,618.48
  4. Step 4: Simplify right side
    46,783.20x = 1,096,079,936.83
  5. Step 5: Solve for x
    x = 1,096,079,936.83/46,783.20
  6. Step 6: Final answer
    x = 23,428.92

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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.