Home / 48,020.63-72,030.96-12,960.29

Finding the Fourth Proportional to 48,020.63, 72,030.96 and 12,960.29

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Solution

The fourth proportional to 48,020.63, 72,030.96 and 12,960.29 is: 19,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,020.63 : 72,030.96 = 12,960.29 : x
  2. Step 2: Convert to fraction form
    48,020.63/72,030.96 = 12,960.29/x
  3. Step 3: Cross multiply
    48,020.63x = 72,030.96 × 12,960.29
  4. Step 4: Simplify right side
    48,020.63x = 933,542,130.58
  5. Step 5: Solve for x
    x = 933,542,130.58/48,020.63
  6. Step 6: Final answer
    x = 19,440.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.