Home / 74,881.01-112,290.30-30,477.62

Finding the Fourth Proportional to 74,881.01, 112,290.30 and 30,477.62

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Solution

The fourth proportional to 74,881.01, 112,290.30 and 30,477.62 is: 45,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,881.01 : 112,290.30 = 30,477.62 : x
  2. Step 2: Convert to fraction form
    74,881.01/112,290.30 = 30,477.62/x
  3. Step 3: Cross multiply
    74,881.01x = 112,290.30 × 30,477.62
  4. Step 4: Simplify right side
    74,881.01x = 3,422,340,531.63
  5. Step 5: Solve for x
    x = 3,422,340,531.63/74,881.01
  6. Step 6: Final answer
    x = 45,703.72

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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.