Home / 53,303.78-73,562.10-29,430.38

Finding the Fourth Proportional to 53,303.78, 73,562.10 and 29,430.38

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Solution

The fourth proportional to 53,303.78, 73,562.10 and 29,430.38 is: 40,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,303.78 : 73,562.10 = 29,430.38 : x
  2. Step 2: Convert to fraction form
    53,303.78/73,562.10 = 29,430.38/x
  3. Step 3: Cross multiply
    53,303.78x = 73,562.10 × 29,430.38
  4. Step 4: Simplify right side
    53,303.78x = 2,164,960,556.60
  5. Step 5: Solve for x
    x = 2,164,960,556.60/53,303.78
  6. Step 6: Final answer
    x = 40,615.52

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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.