Home / 35,645.81-49,192.76-19,730.25

Finding the Fourth Proportional to 35,645.81, 49,192.76 and 19,730.25

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Solution

The fourth proportional to 35,645.81, 49,192.76 and 19,730.25 is: 27,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.81 : 49,192.76 = 19,730.25 : x
  2. Step 2: Convert to fraction form
    35,645.81/49,192.76 = 19,730.25/x
  3. Step 3: Cross multiply
    35,645.81x = 49,192.76 × 19,730.25
  4. Step 4: Simplify right side
    35,645.81x = 970,585,354.34
  5. Step 5: Solve for x
    x = 970,585,354.34/35,645.81
  6. Step 6: Final answer
    x = 27,228.60

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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.