Home / 31,040.04-46,559.28-7,666.68

Finding the Fourth Proportional to 31,040.04, 46,559.28 and 7,666.68

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Solution

The fourth proportional to 31,040.04, 46,559.28 and 7,666.68 is: 11,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.04 : 46,559.28 = 7,666.68 : x
  2. Step 2: Convert to fraction form
    31,040.04/46,559.28 = 7,666.68/x
  3. Step 3: Cross multiply
    31,040.04x = 46,559.28 × 7,666.68
  4. Step 4: Simplify right side
    31,040.04x = 356,955,100.79
  5. Step 5: Solve for x
    x = 356,955,100.79/31,040.04
  6. Step 6: Final answer
    x = 11,499.83

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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.