Home / 53,390.34-73,681.55-29,519.23

Finding the Fourth Proportional to 53,390.34, 73,681.55 and 29,519.23

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Solution

The fourth proportional to 53,390.34, 73,681.55 and 29,519.23 is: 40,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.34 : 73,681.55 = 29,519.23 : x
  2. Step 2: Convert to fraction form
    53,390.34/73,681.55 = 29,519.23/x
  3. Step 3: Cross multiply
    53,390.34x = 73,681.55 × 29,519.23
  4. Step 4: Simplify right side
    53,390.34x = 2,175,022,621.21
  5. Step 5: Solve for x
    x = 2,175,022,621.21/53,390.34
  6. Step 6: Final answer
    x = 40,738.13

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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.