Home / 39,058.85-53,901.23-21,153.93

Finding the Fourth Proportional to 39,058.85, 53,901.23 and 21,153.93

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Solution

The fourth proportional to 39,058.85, 53,901.23 and 21,153.93 is: 29,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,058.85 : 53,901.23 = 21,153.93 : x
  2. Step 2: Convert to fraction form
    39,058.85/53,901.23 = 21,153.93/x
  3. Step 3: Cross multiply
    39,058.85x = 53,901.23 × 21,153.93
  4. Step 4: Simplify right side
    39,058.85x = 1,140,222,740.56
  5. Step 5: Solve for x
    x = 1,140,222,740.56/39,058.85
  6. Step 6: Final answer
    x = 29,192.43

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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.