Home / 31,345.41-46,988.13-11,618.67

Finding the Fourth Proportional to 31,345.41, 46,988.13 and 11,618.67

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Solution

The fourth proportional to 31,345.41, 46,988.13 and 11,618.67 is: 17,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.41 : 46,988.13 = 11,618.67 : x
  2. Step 2: Convert to fraction form
    31,345.41/46,988.13 = 11,618.67/x
  3. Step 3: Cross multiply
    31,345.41x = 46,988.13 × 11,618.67
  4. Step 4: Simplify right side
    31,345.41x = 545,939,576.39
  5. Step 5: Solve for x
    x = 545,939,576.39/31,345.41
  6. Step 6: Final answer
    x = 17,416.89

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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.