Home / 48,509.21-66,950.88-28,088.30

Finding the Fourth Proportional to 48,509.21, 66,950.88 and 28,088.30

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Solution

The fourth proportional to 48,509.21, 66,950.88 and 28,088.30 is: 38,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,509.21 : 66,950.88 = 28,088.30 : x
  2. Step 2: Convert to fraction form
    48,509.21/66,950.88 = 28,088.30/x
  3. Step 3: Cross multiply
    48,509.21x = 66,950.88 × 28,088.30
  4. Step 4: Simplify right side
    48,509.21x = 1,880,536,402.70
  5. Step 5: Solve for x
    x = 1,880,536,402.70/48,509.21
  6. Step 6: Final answer
    x = 38,766.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.