Home / 30,911.76-42,770.70-26,941.14

Finding the Fourth Proportional to 30,911.76, 42,770.70 and 26,941.14

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Solution

The fourth proportional to 30,911.76, 42,770.70 and 26,941.14 is: 37,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,911.76 : 42,770.70 = 26,941.14 : x
  2. Step 2: Convert to fraction form
    30,911.76/42,770.70 = 26,941.14/x
  3. Step 3: Cross multiply
    30,911.76x = 42,770.70 × 26,941.14
  4. Step 4: Simplify right side
    30,911.76x = 1,152,291,416.60
  5. Step 5: Solve for x
    x = 1,152,291,416.60/30,911.76
  6. Step 6: Final answer
    x = 37,276.80

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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.