Home / 38,937.80-53,734.19-21,032.81

Finding the Fourth Proportional to 38,937.80, 53,734.19 and 21,032.81

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Solution

The fourth proportional to 38,937.80, 53,734.19 and 21,032.81 is: 29,025.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,937.80 : 53,734.19 = 21,032.81 : x
  2. Step 2: Convert to fraction form
    38,937.80/53,734.19 = 21,032.81/x
  3. Step 3: Cross multiply
    38,937.80x = 53,734.19 × 21,032.81
  4. Step 4: Simplify right side
    38,937.80x = 1,130,181,008.77
  5. Step 5: Solve for x
    x = 1,130,181,008.77/38,937.80
  6. Step 6: Final answer
    x = 29,025.29

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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.