Home / 35,852.22-53,778.60-12,478.59

Finding the Fourth Proportional to 35,852.22, 53,778.60 and 12,478.59

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Solution

The fourth proportional to 35,852.22, 53,778.60 and 12,478.59 is: 18,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,852.22 : 53,778.60 = 12,478.59 : x
  2. Step 2: Convert to fraction form
    35,852.22/53,778.60 = 12,478.59/x
  3. Step 3: Cross multiply
    35,852.22x = 53,778.60 × 12,478.59
  4. Step 4: Simplify right side
    35,852.22x = 671,081,100.17
  5. Step 5: Solve for x
    x = 671,081,100.17/35,852.22
  6. Step 6: Final answer
    x = 18,717.98

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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.