Home / 30,873.73-42,603.64-17,445.55

Finding the Fourth Proportional to 30,873.73, 42,603.64 and 17,445.55

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Solution

The fourth proportional to 30,873.73, 42,603.64 and 17,445.55 is: 24,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.73 : 42,603.64 = 17,445.55 : x
  2. Step 2: Convert to fraction form
    30,873.73/42,603.64 = 17,445.55/x
  3. Step 3: Cross multiply
    30,873.73x = 42,603.64 × 17,445.55
  4. Step 4: Simplify right side
    30,873.73x = 743,243,931.80
  5. Step 5: Solve for x
    x = 743,243,931.80/30,873.73
  6. Step 6: Final answer
    x = 24,073.67

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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.