Home / 47,087.84-64,987.44-30,369.44

Finding the Fourth Proportional to 47,087.84, 64,987.44 and 30,369.44

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Solution

The fourth proportional to 47,087.84, 64,987.44 and 30,369.44 is: 41,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,087.84 : 64,987.44 = 30,369.44 : x
  2. Step 2: Convert to fraction form
    47,087.84/64,987.44 = 30,369.44/x
  3. Step 3: Cross multiply
    47,087.84x = 64,987.44 × 30,369.44
  4. Step 4: Simplify right side
    47,087.84x = 1,973,632,159.83
  5. Step 5: Solve for x
    x = 1,973,632,159.83/47,087.84
  6. Step 6: Final answer
    x = 41,913.84

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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.