Home / 40,406.81-60,637.86-14,111.55

Finding the Fourth Proportional to 40,406.81, 60,637.86 and 14,111.55

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Solution

The fourth proportional to 40,406.81, 60,637.86 and 14,111.55 is: 21,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,406.81 : 60,637.86 = 14,111.55 : x
  2. Step 2: Convert to fraction form
    40,406.81/60,637.86 = 14,111.55/x
  3. Step 3: Cross multiply
    40,406.81x = 60,637.86 × 14,111.55
  4. Step 4: Simplify right side
    40,406.81x = 855,694,193.28
  5. Step 5: Solve for x
    x = 855,694,193.28/40,406.81
  6. Step 6: Final answer
    x = 21,176.98

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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.