Home / 34,675.47-47,836.95-20,328.03

Finding the Fourth Proportional to 34,675.47, 47,836.95 and 20,328.03

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Solution

The fourth proportional to 34,675.47, 47,836.95 and 20,328.03 is: 28,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,675.47 : 47,836.95 = 20,328.03 : x
  2. Step 2: Convert to fraction form
    34,675.47/47,836.95 = 20,328.03/x
  3. Step 3: Cross multiply
    34,675.47x = 47,836.95 × 20,328.03
  4. Step 4: Simplify right side
    34,675.47x = 972,430,954.71
  5. Step 5: Solve for x
    x = 972,430,954.71/34,675.47
  6. Step 6: Final answer
    x = 28,043.77

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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.