Home / 43,490.67-65,260.58-18,528.09

Finding the Fourth Proportional to 43,490.67, 65,260.58 and 18,528.09

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Solution

The fourth proportional to 43,490.67, 65,260.58 and 18,528.09 is: 27,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490.67 : 65,260.58 = 18,528.09 : x
  2. Step 2: Convert to fraction form
    43,490.67/65,260.58 = 18,528.09/x
  3. Step 3: Cross multiply
    43,490.67x = 65,260.58 × 18,528.09
  4. Step 4: Simplify right side
    43,490.67x = 1,209,153,807.05
  5. Step 5: Solve for x
    x = 1,209,153,807.05/43,490.67
  6. Step 6: Final answer
    x = 27,802.60

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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.