Home / 34,655.04-47,821.44-20,312.64

Finding the Fourth Proportional to 34,655.04, 47,821.44 and 20,312.64

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Solution

The fourth proportional to 34,655.04, 47,821.44 and 20,312.64 is: 28,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,655.04 : 47,821.44 = 20,312.64 : x
  2. Step 2: Convert to fraction form
    34,655.04/47,821.44 = 20,312.64/x
  3. Step 3: Cross multiply
    34,655.04x = 47,821.44 × 20,312.64
  4. Step 4: Simplify right side
    34,655.04x = 971,379,695.00
  5. Step 5: Solve for x
    x = 971,379,695.00/34,655.04
  6. Step 6: Final answer
    x = 28,029.97

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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.