Home / 40,421.31-60,632.19-14,107.59

Finding the Fourth Proportional to 40,421.31, 60,632.19 and 14,107.59

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Solution

The fourth proportional to 40,421.31, 60,632.19 and 14,107.59 is: 21,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.31 : 60,632.19 = 14,107.59 : x
  2. Step 2: Convert to fraction form
    40,421.31/60,632.19 = 14,107.59/x
  3. Step 3: Cross multiply
    40,421.31x = 60,632.19 × 14,107.59
  4. Step 4: Simplify right side
    40,421.31x = 855,374,077.32
  5. Step 5: Solve for x
    x = 855,374,077.32/40,421.31
  6. Step 6: Final answer
    x = 21,161.46

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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.