Home / 19,347.45-29,055.21-19,070.43

Finding the Fourth Proportional to 19,347.45, 29,055.21 and 19,070.43

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Solution

The fourth proportional to 19,347.45, 29,055.21 and 19,070.43 is: 28,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.45 : 29,055.21 = 19,070.43 : x
  2. Step 2: Convert to fraction form
    19,347.45/29,055.21 = 19,070.43/x
  3. Step 3: Cross multiply
    19,347.45x = 29,055.21 × 19,070.43
  4. Step 4: Simplify right side
    19,347.45x = 554,095,348.44
  5. Step 5: Solve for x
    x = 554,095,348.44/19,347.45
  6. Step 6: Final answer
    x = 28,639.19

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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.