Home / 38,941.54-53,739.29-21,036.54

Finding the Fourth Proportional to 38,941.54, 53,739.29 and 21,036.54

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Solution

The fourth proportional to 38,941.54, 53,739.29 and 21,036.54 is: 29,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,941.54 : 53,739.29 = 21,036.54 : x
  2. Step 2: Convert to fraction form
    38,941.54/53,739.29 = 21,036.54/x
  3. Step 3: Cross multiply
    38,941.54x = 53,739.29 × 21,036.54
  4. Step 4: Simplify right side
    38,941.54x = 1,130,488,557.16
  5. Step 5: Solve for x
    x = 1,130,488,557.16/38,941.54
  6. Step 6: Final answer
    x = 29,030.40

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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.