Home / 35,528.80-53,293.20-19,782.40

Finding the Fourth Proportional to 35,528.80, 53,293.20 and 19,782.40

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Solution

The fourth proportional to 35,528.80, 53,293.20 and 19,782.40 is: 29,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,528.80 : 53,293.20 = 19,782.40 : x
  2. Step 2: Convert to fraction form
    35,528.80/53,293.20 = 19,782.40/x
  3. Step 3: Cross multiply
    35,528.80x = 53,293.20 × 19,782.40
  4. Step 4: Simplify right side
    35,528.80x = 1,054,267,399.68
  5. Step 5: Solve for x
    x = 1,054,267,399.68/35,528.80
  6. Step 6: Final answer
    x = 29,673.60

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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.