Home / 55,274.04-82,849.50-21,985.20

Finding the Fourth Proportional to 55,274.04, 82,849.50 and 21,985.20

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Solution

The fourth proportional to 55,274.04, 82,849.50 and 21,985.20 is: 32,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274.04 : 82,849.50 = 21,985.20 : x
  2. Step 2: Convert to fraction form
    55,274.04/82,849.50 = 21,985.20/x
  3. Step 3: Cross multiply
    55,274.04x = 82,849.50 × 21,985.20
  4. Step 4: Simplify right side
    55,274.04x = 1,821,462,827.40
  5. Step 5: Solve for x
    x = 1,821,462,827.40/55,274.04
  6. Step 6: Final answer
    x = 32,953.31

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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.