Home / 31,345.44-46,985.10-10,279.98

Finding the Fourth Proportional to 31,345.44, 46,985.10 and 10,279.98

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Solution

The fourth proportional to 31,345.44, 46,985.10 and 10,279.98 is: 15,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.44 : 46,985.10 = 10,279.98 : x
  2. Step 2: Convert to fraction form
    31,345.44/46,985.10 = 10,279.98/x
  3. Step 3: Cross multiply
    31,345.44x = 46,985.10 × 10,279.98
  4. Step 4: Simplify right side
    31,345.44x = 483,005,888.30
  5. Step 5: Solve for x
    x = 483,005,888.30/31,345.44
  6. Step 6: Final answer
    x = 15,409.13

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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.