Home / 30,894-45,943.56-29,909.84

Finding the Fourth Proportional to 30,894, 45,943.56 and 29,909.84

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Solution

The fourth proportional to 30,894, 45,943.56 and 29,909.84 is: 44,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,894 : 45,943.56 = 29,909.84 : x
  2. Step 2: Convert to fraction form
    30,894/45,943.56 = 29,909.84/x
  3. Step 3: Cross multiply
    30,894x = 45,943.56 × 29,909.84
  4. Step 4: Simplify right side
    30,894x = 1,374,164,528.63
  5. Step 5: Solve for x
    x = 1,374,164,528.63/30,894
  6. Step 6: Final answer
    x = 44,479.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.