Home / 44,931.20-67,396.79-13,762.40

Finding the Fourth Proportional to 44,931.20, 67,396.79 and 13,762.40

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Solution

The fourth proportional to 44,931.20, 67,396.79 and 13,762.40 is: 20,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,931.20 : 67,396.79 = 13,762.40 : x
  2. Step 2: Convert to fraction form
    44,931.20/67,396.79 = 13,762.40/x
  3. Step 3: Cross multiply
    44,931.20x = 67,396.79 × 13,762.40
  4. Step 4: Simplify right side
    44,931.20x = 927,541,582.70
  5. Step 5: Solve for x
    x = 927,541,582.70/44,931.20
  6. Step 6: Final answer
    x = 20,643.60

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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.