Home / 48,032.54-72,048.77-12,972.16

Finding the Fourth Proportional to 48,032.54, 72,048.77 and 12,972.16

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Solution

The fourth proportional to 48,032.54, 72,048.77 and 12,972.16 is: 19,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,032.54 : 72,048.77 = 12,972.16 : x
  2. Step 2: Convert to fraction form
    48,032.54/72,048.77 = 12,972.16/x
  3. Step 3: Cross multiply
    48,032.54x = 72,048.77 × 12,972.16
  4. Step 4: Simplify right side
    48,032.54x = 934,628,172.24
  5. Step 5: Solve for x
    x = 934,628,172.24/48,032.54
  6. Step 6: Final answer
    x = 19,458.23

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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.