Home / 53,397.10-73,682.80-29,520.51

Finding the Fourth Proportional to 53,397.10, 73,682.80 and 29,520.51

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Solution

The fourth proportional to 53,397.10, 73,682.80 and 29,520.51 is: 40,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,397.10 : 73,682.80 = 29,520.51 : x
  2. Step 2: Convert to fraction form
    53,397.10/73,682.80 = 29,520.51/x
  3. Step 3: Cross multiply
    53,397.10x = 73,682.80 × 29,520.51
  4. Step 4: Simplify right side
    53,397.10x = 2,175,153,834.23
  5. Step 5: Solve for x
    x = 2,175,153,834.23/53,397.10
  6. Step 6: Final answer
    x = 40,735.43

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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.