Home / 31,010.75-46,488.80-12,303.92

Finding the Fourth Proportional to 31,010.75, 46,488.80 and 12,303.92

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Solution

The fourth proportional to 31,010.75, 46,488.80 and 12,303.92 is: 18,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.75 : 46,488.80 = 12,303.92 : x
  2. Step 2: Convert to fraction form
    31,010.75/46,488.80 = 12,303.92/x
  3. Step 3: Cross multiply
    31,010.75x = 46,488.80 × 12,303.92
  4. Step 4: Simplify right side
    31,010.75x = 571,994,182.13
  5. Step 5: Solve for x
    x = 571,994,182.13/31,010.75
  6. Step 6: Final answer
    x = 18,445.03

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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.