Home / 31,047.48-46,557.20-8,855.58

Finding the Fourth Proportional to 31,047.48, 46,557.20 and 8,855.58

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Solution

The fourth proportional to 31,047.48, 46,557.20 and 8,855.58 is: 13,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047.48 : 46,557.20 = 8,855.58 : x
  2. Step 2: Convert to fraction form
    31,047.48/46,557.20 = 8,855.58/x
  3. Step 3: Cross multiply
    31,047.48x = 46,557.20 × 8,855.58
  4. Step 4: Simplify right side
    31,047.48x = 412,291,009.18
  5. Step 5: Solve for x
    x = 412,291,009.18/31,047.48
  6. Step 6: Final answer
    x = 13,279.37

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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.