Home / 34,390.30-47,459.80-19,283.14

Finding the Fourth Proportional to 34,390.30, 47,459.80 and 19,283.14

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Solution

The fourth proportional to 34,390.30, 47,459.80 and 19,283.14 is: 26,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.30 : 47,459.80 = 19,283.14 : x
  2. Step 2: Convert to fraction form
    34,390.30/47,459.80 = 19,283.14/x
  3. Step 3: Cross multiply
    34,390.30x = 47,459.80 × 19,283.14
  4. Step 4: Simplify right side
    34,390.30x = 915,173,863.49
  5. Step 5: Solve for x
    x = 915,173,863.49/34,390.30
  6. Step 6: Final answer
    x = 26,611.40

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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.