Home / 49,705.60-74,461.20-29,925.40

Finding the Fourth Proportional to 49,705.60, 74,461.20 and 29,925.40

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Solution

The fourth proportional to 49,705.60, 74,461.20 and 29,925.40 is: 44,829.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,705.60 : 74,461.20 = 29,925.40 : x
  2. Step 2: Convert to fraction form
    49,705.60/74,461.20 = 29,925.40/x
  3. Step 3: Cross multiply
    49,705.60x = 74,461.20 × 29,925.40
  4. Step 4: Simplify right side
    49,705.60x = 2,228,281,194.48
  5. Step 5: Solve for x
    x = 2,228,281,194.48/49,705.60
  6. Step 6: Final answer
    x = 44,829.58

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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.