Home / 48,005.20-72,029.40-21,696.40

Finding the Fourth Proportional to 48,005.20, 72,029.40 and 21,696.40

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Solution

The fourth proportional to 48,005.20, 72,029.40 and 21,696.40 is: 32,554.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,005.20 : 72,029.40 = 21,696.40 : x
  2. Step 2: Convert to fraction form
    48,005.20/72,029.40 = 21,696.40/x
  3. Step 3: Cross multiply
    48,005.20x = 72,029.40 × 21,696.40
  4. Step 4: Simplify right side
    48,005.20x = 1,562,778,674.16
  5. Step 5: Solve for x
    x = 1,562,778,674.16/48,005.20
  6. Step 6: Final answer
    x = 32,554.36

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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.