Home / 35,804.16-53,730.89-12,430.60

Finding the Fourth Proportional to 35,804.16, 53,730.89 and 12,430.60

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Solution

The fourth proportional to 35,804.16, 53,730.89 and 12,430.60 is: 18,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,804.16 : 53,730.89 = 12,430.60 : x
  2. Step 2: Convert to fraction form
    35,804.16/53,730.89 = 12,430.60/x
  3. Step 3: Cross multiply
    35,804.16x = 53,730.89 × 12,430.60
  4. Step 4: Simplify right side
    35,804.16x = 667,907,201.23
  5. Step 5: Solve for x
    x = 667,907,201.23/35,804.16
  6. Step 6: Final answer
    x = 18,654.46

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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.