Home / 30,736.64-42,417.92-17,307.90

Finding the Fourth Proportional to 30,736.64, 42,417.92 and 17,307.90

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Solution

The fourth proportional to 30,736.64, 42,417.92 and 17,307.90 is: 23,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,736.64 : 42,417.92 = 17,307.90 : x
  2. Step 2: Convert to fraction form
    30,736.64/42,417.92 = 17,307.90/x
  3. Step 3: Cross multiply
    30,736.64x = 42,417.92 × 17,307.90
  4. Step 4: Simplify right side
    30,736.64x = 734,165,117.57
  5. Step 5: Solve for x
    x = 734,165,117.57/30,736.64
  6. Step 6: Final answer
    x = 23,885.67

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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.