Home / 35,421.80-53,132.70-29,784.20

Finding the Fourth Proportional to 35,421.80, 53,132.70 and 29,784.20

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Solution

The fourth proportional to 35,421.80, 53,132.70 and 29,784.20 is: 44,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.80 : 53,132.70 = 29,784.20 : x
  2. Step 2: Convert to fraction form
    35,421.80/53,132.70 = 29,784.20/x
  3. Step 3: Cross multiply
    35,421.80x = 53,132.70 × 29,784.20
  4. Step 4: Simplify right side
    35,421.80x = 1,582,514,963.34
  5. Step 5: Solve for x
    x = 1,582,514,963.34/35,421.80
  6. Step 6: Final answer
    x = 44,676.30

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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.