Home / 55,379.67-76,417.01-31,506.74

Finding the Fourth Proportional to 55,379.67, 76,417.01 and 31,506.74

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Solution

The fourth proportional to 55,379.67, 76,417.01 and 31,506.74 is: 43,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,379.67 : 76,417.01 = 31,506.74 : x
  2. Step 2: Convert to fraction form
    55,379.67/76,417.01 = 31,506.74/x
  3. Step 3: Cross multiply
    55,379.67x = 76,417.01 × 31,506.74
  4. Step 4: Simplify right side
    55,379.67x = 2,407,650,326.03
  5. Step 5: Solve for x
    x = 2,407,650,326.03/55,379.67
  6. Step 6: Final answer
    x = 43,475.35

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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.