Home / 53,430.63-73,732.03-29,555.79

Finding the Fourth Proportional to 53,430.63, 73,732.03 and 29,555.79

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Solution

The fourth proportional to 53,430.63, 73,732.03 and 29,555.79 is: 40,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,430.63 : 73,732.03 = 29,555.79 : x
  2. Step 2: Convert to fraction form
    53,430.63/73,732.03 = 29,555.79/x
  3. Step 3: Cross multiply
    53,430.63x = 73,732.03 × 29,555.79
  4. Step 4: Simplify right side
    53,430.63x = 2,179,208,394.95
  5. Step 5: Solve for x
    x = 2,179,208,394.95/53,430.63
  6. Step 6: Final answer
    x = 40,785.75

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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.