Home / 35,403.48-53,105.22-12,030.12

Finding the Fourth Proportional to 35,403.48, 53,105.22 and 12,030.12

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Solution

The fourth proportional to 35,403.48, 53,105.22 and 12,030.12 is: 18,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.48 : 53,105.22 = 12,030.12 : x
  2. Step 2: Convert to fraction form
    35,403.48/53,105.22 = 12,030.12/x
  3. Step 3: Cross multiply
    35,403.48x = 53,105.22 × 12,030.12
  4. Step 4: Simplify right side
    35,403.48x = 638,862,169.23
  5. Step 5: Solve for x
    x = 638,862,169.23/35,403.48
  6. Step 6: Final answer
    x = 18,045.18

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Similar ratio
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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.