Home / 35,730.38-53,557.77-12,015.34

Finding the Fourth Proportional to 35,730.38, 53,557.77 and 12,015.34

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Solution

The fourth proportional to 35,730.38, 53,557.77 and 12,015.34 is: 18,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,730.38 : 53,557.77 = 12,015.34 : x
  2. Step 2: Convert to fraction form
    35,730.38/53,557.77 = 12,015.34/x
  3. Step 3: Cross multiply
    35,730.38x = 53,557.77 × 12,015.34
  4. Step 4: Simplify right side
    35,730.38x = 643,514,548.40
  5. Step 5: Solve for x
    x = 643,514,548.40/35,730.38
  6. Step 6: Final answer
    x = 18,010.29

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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.