Home / 49,830.40-68,763.36-30,967.12

Finding the Fourth Proportional to 49,830.40, 68,763.36 and 30,967.12

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Solution

The fourth proportional to 49,830.40, 68,763.36 and 30,967.12 is: 42,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,830.40 : 68,763.36 = 30,967.12 : x
  2. Step 2: Convert to fraction form
    49,830.40/68,763.36 = 30,967.12/x
  3. Step 3: Cross multiply
    49,830.40x = 68,763.36 × 30,967.12
  4. Step 4: Simplify right side
    49,830.40x = 2,129,403,220.72
  5. Step 5: Solve for x
    x = 2,129,403,220.72/49,830.40
  6. Step 6: Final answer
    x = 42,733.01

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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.