Home / 38,436,403.08-53,042,234.63-21,032,749.76

Finding the Fourth Proportional to 38,436,403.08, 53,042,234.63 and 21,032,749.76

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Solution

The fourth proportional to 38,436,403.08, 53,042,234.63 and 21,032,749.76 is: 29,025,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,436,403.08 : 53,042,234.63 = 21,032,749.76 : x
  2. Step 2: Convert to fraction form
    38,436,403.08/53,042,234.63 = 21,032,749.76/x
  3. Step 3: Cross multiply
    38,436,403.08x = 53,042,234.63 × 21,032,749.76
  4. Step 4: Simplify right side
    38,436,403.08x = 1,115,624,047,313,621.25
  5. Step 5: Solve for x
    x = 1,115,624,047,313,621.25/38,436,403.08
  6. Step 6: Final answer
    x = 29,025,193.77

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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.