Home / 44,628.60-61,629.12-28,740.72

Finding the Fourth Proportional to 44,628.60, 61,629.12 and 28,740.72

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Solution

The fourth proportional to 44,628.60, 61,629.12 and 28,740.72 is: 39,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,628.60 : 61,629.12 = 28,740.72 : x
  2. Step 2: Convert to fraction form
    44,628.60/61,629.12 = 28,740.72/x
  3. Step 3: Cross multiply
    44,628.60x = 61,629.12 × 28,740.72
  4. Step 4: Simplify right side
    44,628.60x = 1,771,265,281.77
  5. Step 5: Solve for x
    x = 1,771,265,281.77/44,628.60
  6. Step 6: Final answer
    x = 39,689.02

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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.