Home / 39,349,804.32-54,302,826.24-21,947,276.88

Finding the Fourth Proportional to 39,349,804.32, 54,302,826.24 and 21,947,276.88

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Solution

The fourth proportional to 39,349,804.32, 54,302,826.24 and 21,947,276.88 is: 30,287,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,349,804.32 : 54,302,826.24 = 21,947,276.88 : x
  2. Step 2: Convert to fraction form
    39,349,804.32/54,302,826.24 = 21,947,276.88/x
  3. Step 3: Cross multiply
    39,349,804.32x = 54,302,826.24 × 21,947,276.88
  4. Step 4: Simplify right side
    39,349,804.32x = 1,191,799,162,855,809.25
  5. Step 5: Solve for x
    x = 1,191,799,162,855,809.25/39,349,804.32
  6. Step 6: Final answer
    x = 30,287,295.79

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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.