Home / 40,441.20-60,661.80-26,444.40

Finding the Fourth Proportional to 40,441.20, 60,661.80 and 26,444.40

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Solution

The fourth proportional to 40,441.20, 60,661.80 and 26,444.40 is: 39,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,441.20 : 60,661.80 = 26,444.40 : x
  2. Step 2: Convert to fraction form
    40,441.20/60,661.80 = 26,444.40/x
  3. Step 3: Cross multiply
    40,441.20x = 60,661.80 × 26,444.40
  4. Step 4: Simplify right side
    40,441.20x = 1,604,164,903.92
  5. Step 5: Solve for x
    x = 1,604,164,903.92/40,441.20
  6. Step 6: Final answer
    x = 39,666.60

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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.