Home / 47,155.80-70,740.18-23,784.60

Finding the Fourth Proportional to 47,155.80, 70,740.18 and 23,784.60

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Solution

The fourth proportional to 47,155.80, 70,740.18 and 23,784.60 is: 35,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155.80 : 70,740.18 = 23,784.60 : x
  2. Step 2: Convert to fraction form
    47,155.80/70,740.18 = 23,784.60/x
  3. Step 3: Cross multiply
    47,155.80x = 70,740.18 × 23,784.60
  4. Step 4: Simplify right side
    47,155.80x = 1,682,526,885.23
  5. Step 5: Solve for x
    x = 1,682,526,885.23/47,155.80
  6. Step 6: Final answer
    x = 35,680.17

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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.