Home / 34,217.81-47,219.24-21,477.83

Finding the Fourth Proportional to 34,217.81, 47,219.24 and 21,477.83

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Solution

The fourth proportional to 34,217.81, 47,219.24 and 21,477.83 is: 29,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,217.81 : 47,219.24 = 21,477.83 : x
  2. Step 2: Convert to fraction form
    34,217.81/47,219.24 = 21,477.83/x
  3. Step 3: Cross multiply
    34,217.81x = 47,219.24 × 21,477.83
  4. Step 4: Simplify right side
    34,217.81x = 1,014,166,981.19
  5. Step 5: Solve for x
    x = 1,014,166,981.19/34,217.81
  6. Step 6: Final answer
    x = 29,638.58

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1.5x scale

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.