Home / 38,760.98-53,485.74-21,762.95

Finding the Fourth Proportional to 38,760.98, 53,485.74 and 21,762.95

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Solution

The fourth proportional to 38,760.98, 53,485.74 and 21,762.95 is: 30,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,760.98 : 53,485.74 = 21,762.95 : x
  2. Step 2: Convert to fraction form
    38,760.98/53,485.74 = 21,762.95/x
  3. Step 3: Cross multiply
    38,760.98x = 53,485.74 × 21,762.95
  4. Step 4: Simplify right side
    38,760.98x = 1,164,007,217.90
  5. Step 5: Solve for x
    x = 1,164,007,217.90/38,760.98
  6. Step 6: Final answer
    x = 30,030.39

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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.