Home / 55,045.52-82,569.84-13,492.48

Finding the Fourth Proportional to 55,045.52, 82,569.84 and 13,492.48

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Solution

The fourth proportional to 55,045.52, 82,569.84 and 13,492.48 is: 20,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,045.52 : 82,569.84 = 13,492.48 : x
  2. Step 2: Convert to fraction form
    55,045.52/82,569.84 = 13,492.48/x
  3. Step 3: Cross multiply
    55,045.52x = 82,569.84 × 13,492.48
  4. Step 4: Simplify right side
    55,045.52x = 1,114,071,914.80
  5. Step 5: Solve for x
    x = 1,114,071,914.80/55,045.52
  6. Step 6: Final answer
    x = 20,239.10

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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.