Home / 74,852.36-112,212.48-30,516.20

Finding the Fourth Proportional to 74,852.36, 112,212.48 and 30,516.20

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Solution

The fourth proportional to 74,852.36, 112,212.48 and 30,516.20 is: 45,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,852.36 : 112,212.48 = 30,516.20 : x
  2. Step 2: Convert to fraction form
    74,852.36/112,212.48 = 30,516.20/x
  3. Step 3: Cross multiply
    74,852.36x = 112,212.48 × 30,516.20
  4. Step 4: Simplify right side
    74,852.36x = 3,424,298,482.18
  5. Step 5: Solve for x
    x = 3,424,298,482.18/74,852.36
  6. Step 6: Final answer
    x = 45,747.37

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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.