Home / 47,340.34-70,970.74-20,666.03

Finding the Fourth Proportional to 47,340.34, 70,970.74 and 20,666.03

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Solution

The fourth proportional to 47,340.34, 70,970.74 and 20,666.03 is: 30,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,340.34 : 70,970.74 = 20,666.03 : x
  2. Step 2: Convert to fraction form
    47,340.34/70,970.74 = 20,666.03/x
  3. Step 3: Cross multiply
    47,340.34x = 70,970.74 × 20,666.03
  4. Step 4: Simplify right side
    47,340.34x = 1,466,683,035.44
  5. Step 5: Solve for x
    x = 1,466,683,035.44/47,340.34
  6. Step 6: Final answer
    x = 30,981.68

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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.