Home / 40,841.40-61,319.70-25,289.40

Finding the Fourth Proportional to 40,841.40, 61,319.70 and 25,289.40

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Solution

The fourth proportional to 40,841.40, 61,319.70 and 25,289.40 is: 37,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,841.40 : 61,319.70 = 25,289.40 : x
  2. Step 2: Convert to fraction form
    40,841.40/61,319.70 = 25,289.40/x
  3. Step 3: Cross multiply
    40,841.40x = 61,319.70 × 25,289.40
  4. Step 4: Simplify right side
    40,841.40x = 1,550,738,421.18
  5. Step 5: Solve for x
    x = 1,550,738,421.18/40,841.40
  6. Step 6: Final answer
    x = 37,969.77

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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.