Home / 35,730.10-49,304.05-19,814.21

Finding the Fourth Proportional to 35,730.10, 49,304.05 and 19,814.21

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Solution

The fourth proportional to 35,730.10, 49,304.05 and 19,814.21 is: 27,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,730.10 : 49,304.05 = 19,814.21 : x
  2. Step 2: Convert to fraction form
    35,730.10/49,304.05 = 19,814.21/x
  3. Step 3: Cross multiply
    35,730.10x = 49,304.05 × 19,814.21
  4. Step 4: Simplify right side
    35,730.10x = 976,920,800.55
  5. Step 5: Solve for x
    x = 976,920,800.55/35,730.10
  6. Step 6: Final answer
    x = 27,341.68

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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.