Home / 47,266.24-70,905.84-20,970.40

Finding the Fourth Proportional to 47,266.24, 70,905.84 and 20,970.40

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Solution

The fourth proportional to 47,266.24, 70,905.84 and 20,970.40 is: 31,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,266.24 : 70,905.84 = 20,970.40 : x
  2. Step 2: Convert to fraction form
    47,266.24/70,905.84 = 20,970.40/x
  3. Step 3: Cross multiply
    47,266.24x = 70,905.84 × 20,970.40
  4. Step 4: Simplify right side
    47,266.24x = 1,486,923,827.14
  5. Step 5: Solve for x
    x = 1,486,923,827.14/47,266.24
  6. Step 6: Final answer
    x = 31,458.47

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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.