Home / 32,995.07-45,521.27-21,670.70

Finding the Fourth Proportional to 32,995.07, 45,521.27 and 21,670.70

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Solution

The fourth proportional to 32,995.07, 45,521.27 and 21,670.70 is: 29,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,995.07 : 45,521.27 = 21,670.70 : x
  2. Step 2: Convert to fraction form
    32,995.07/45,521.27 = 21,670.70/x
  3. Step 3: Cross multiply
    32,995.07x = 45,521.27 × 21,670.70
  4. Step 4: Simplify right side
    32,995.07x = 986,477,790.22
  5. Step 5: Solve for x
    x = 986,477,790.22/32,995.07
  6. Step 6: Final answer
    x = 29,897.73

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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.