Home / 38,911.23-53,914.36-38,070.45

Finding the Fourth Proportional to 38,911.23, 53,914.36 and 38,070.45

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Solution

The fourth proportional to 38,911.23, 53,914.36 and 38,070.45 is: 52,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,911.23 : 53,914.36 = 38,070.45 : x
  2. Step 2: Convert to fraction form
    38,911.23/53,914.36 = 38,070.45/x
  3. Step 3: Cross multiply
    38,911.23x = 53,914.36 × 38,070.45
  4. Step 4: Simplify right side
    38,911.23x = 2,052,543,946.66
  5. Step 5: Solve for x
    x = 2,052,543,946.66/38,911.23
  6. Step 6: Final answer
    x = 52,749.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.