Home / 30,977.34-42,749.62-17,548.60

Finding the Fourth Proportional to 30,977.34, 42,749.62 and 17,548.60

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Solution

The fourth proportional to 30,977.34, 42,749.62 and 17,548.60 is: 24,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,977.34 : 42,749.62 = 17,548.60 : x
  2. Step 2: Convert to fraction form
    30,977.34/42,749.62 = 17,548.60/x
  3. Step 3: Cross multiply
    30,977.34x = 42,749.62 × 17,548.60
  4. Step 4: Simplify right side
    30,977.34x = 750,195,981.53
  5. Step 5: Solve for x
    x = 750,195,981.53/30,977.34
  6. Step 6: Final answer
    x = 24,217.57

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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.