Home / 74,364.96-111,519.36-29,980.32

Finding the Fourth Proportional to 74,364.96, 111,519.36 and 29,980.32

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Solution

The fourth proportional to 74,364.96, 111,519.36 and 29,980.32 is: 44,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,364.96 : 111,519.36 = 29,980.32 : x
  2. Step 2: Convert to fraction form
    74,364.96/111,519.36 = 29,980.32/x
  3. Step 3: Cross multiply
    74,364.96x = 111,519.36 × 29,980.32
  4. Step 4: Simplify right side
    74,364.96x = 3,343,386,099.00
  5. Step 5: Solve for x
    x = 3,343,386,099.00/74,364.96
  6. Step 6: Final answer
    x = 44,959.16

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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.