Home / 43,022.79-64,550.73-20,834.46

Finding the Fourth Proportional to 43,022.79, 64,550.73 and 20,834.46

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Solution

The fourth proportional to 43,022.79, 64,550.73 and 20,834.46 is: 31,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,022.79 : 64,550.73 = 20,834.46 : x
  2. Step 2: Convert to fraction form
    43,022.79/64,550.73 = 20,834.46/x
  3. Step 3: Cross multiply
    43,022.79x = 64,550.73 × 20,834.46
  4. Step 4: Simplify right side
    43,022.79x = 1,344,879,602.16
  5. Step 5: Solve for x
    x = 1,344,879,602.16/43,022.79
  6. Step 6: Final answer
    x = 31,259.70

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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.