Home / 38,525.87-53,160.47-21,527.98

Finding the Fourth Proportional to 38,525.87, 53,160.47 and 21,527.98

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Solution

The fourth proportional to 38,525.87, 53,160.47 and 21,527.98 is: 29,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525.87 : 53,160.47 = 21,527.98 : x
  2. Step 2: Convert to fraction form
    38,525.87/53,160.47 = 21,527.98/x
  3. Step 3: Cross multiply
    38,525.87x = 53,160.47 × 21,527.98
  4. Step 4: Simplify right side
    38,525.87x = 1,144,437,534.95
  5. Step 5: Solve for x
    x = 1,144,437,534.95/38,525.87
  6. Step 6: Final answer
    x = 29,705.69

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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.