Home / 38,235.24-52,762.93-21,240.63

Finding the Fourth Proportional to 38,235.24, 52,762.93 and 21,240.63

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Solution

The fourth proportional to 38,235.24, 52,762.93 and 21,240.63 is: 29,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235.24 : 52,762.93 = 21,240.63 : x
  2. Step 2: Convert to fraction form
    38,235.24/52,762.93 = 21,240.63/x
  3. Step 3: Cross multiply
    38,235.24x = 52,762.93 × 21,240.63
  4. Step 4: Simplify right side
    38,235.24x = 1,120,717,820.74
  5. Step 5: Solve for x
    x = 1,120,717,820.74/38,235.24
  6. Step 6: Final answer
    x = 29,311.12

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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.