Home / 35,802.06-53,703.30-12,109.78

Finding the Fourth Proportional to 35,802.06, 53,703.30 and 12,109.78

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Solution

The fourth proportional to 35,802.06, 53,703.30 and 12,109.78 is: 18,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,802.06 : 53,703.30 = 12,109.78 : x
  2. Step 2: Convert to fraction form
    35,802.06/53,703.30 = 12,109.78/x
  3. Step 3: Cross multiply
    35,802.06x = 53,703.30 × 12,109.78
  4. Step 4: Simplify right side
    35,802.06x = 650,335,148.27
  5. Step 5: Solve for x
    x = 650,335,148.27/35,802.06
  6. Step 6: Final answer
    x = 18,164.74

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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.