Home / 34,048.23-46,973.65-21,121.53

Finding the Fourth Proportional to 34,048.23, 46,973.65 and 21,121.53

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Solution

The fourth proportional to 34,048.23, 46,973.65 and 21,121.53 is: 29,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,048.23 : 46,973.65 = 21,121.53 : x
  2. Step 2: Convert to fraction form
    34,048.23/46,973.65 = 21,121.53/x
  3. Step 3: Cross multiply
    34,048.23x = 46,973.65 × 21,121.53
  4. Step 4: Simplify right side
    34,048.23x = 992,155,357.68
  5. Step 5: Solve for x
    x = 992,155,357.68/34,048.23
  6. Step 6: Final answer
    x = 29,139.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.