Home / 55,838.35-77,055.33-30,343.60

Finding the Fourth Proportional to 55,838.35, 77,055.33 and 30,343.60

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Solution

The fourth proportional to 55,838.35, 77,055.33 and 30,343.60 is: 41,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,838.35 : 77,055.33 = 30,343.60 : x
  2. Step 2: Convert to fraction form
    55,838.35/77,055.33 = 30,343.60/x
  3. Step 3: Cross multiply
    55,838.35x = 77,055.33 × 30,343.60
  4. Step 4: Simplify right side
    55,838.35x = 2,338,136,111.39
  5. Step 5: Solve for x
    x = 2,338,136,111.39/55,838.35
  6. Step 6: Final answer
    x = 41,873.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.