Home / 30,586.05-45,848.09-20,726.33

Finding the Fourth Proportional to 30,586.05, 45,848.09 and 20,726.33

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Solution

The fourth proportional to 30,586.05, 45,848.09 and 20,726.33 is: 31,068.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586.05 : 45,848.09 = 20,726.33 : x
  2. Step 2: Convert to fraction form
    30,586.05/45,848.09 = 20,726.33/x
  3. Step 3: Cross multiply
    30,586.05x = 45,848.09 × 20,726.33
  4. Step 4: Simplify right side
    30,586.05x = 950,262,465.79
  5. Step 5: Solve for x
    x = 950,262,465.79/30,586.05
  6. Step 6: Final answer
    x = 31,068.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.