Home / 55,303.67-76,319.08-31,429.73

Finding the Fourth Proportional to 55,303.67, 76,319.08 and 31,429.73

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Solution

The fourth proportional to 55,303.67, 76,319.08 and 31,429.73 is: 43,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,303.67 : 76,319.08 = 31,429.73 : x
  2. Step 2: Convert to fraction form
    55,303.67/76,319.08 = 31,429.73/x
  3. Step 3: Cross multiply
    55,303.67x = 76,319.08 × 31,429.73
  4. Step 4: Simplify right side
    55,303.67x = 2,398,687,696.65
  5. Step 5: Solve for x
    x = 2,398,687,696.65/55,303.67
  6. Step 6: Final answer
    x = 43,373.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.