Home / 38,762.01-53,488.35-21,763.89

Finding the Fourth Proportional to 38,762.01, 53,488.35 and 21,763.89

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Solution

The fourth proportional to 38,762.01, 53,488.35 and 21,763.89 is: 30,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,762.01 : 53,488.35 = 21,763.89 : x
  2. Step 2: Convert to fraction form
    38,762.01/53,488.35 = 21,763.89/x
  3. Step 3: Cross multiply
    38,762.01x = 53,488.35 × 21,763.89
  4. Step 4: Simplify right side
    38,762.01x = 1,164,114,565.68
  5. Step 5: Solve for x
    x = 1,164,114,565.68/38,762.01
  6. Step 6: Final answer
    x = 30,032.36

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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.