Home / 35,619.60-49,155.48-19,703.64

Finding the Fourth Proportional to 35,619.60, 49,155.48 and 19,703.64

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Solution

The fourth proportional to 35,619.60, 49,155.48 and 19,703.64 is: 27,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.60 : 49,155.48 = 19,703.64 : x
  2. Step 2: Convert to fraction form
    35,619.60/49,155.48 = 19,703.64/x
  3. Step 3: Cross multiply
    35,619.60x = 49,155.48 × 19,703.64
  4. Step 4: Simplify right side
    35,619.60x = 968,541,881.95
  5. Step 5: Solve for x
    x = 968,541,881.95/35,619.60
  6. Step 6: Final answer
    x = 27,191.26

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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.