Home / 31,368.41-47,039.80-15,567.68

Finding the Fourth Proportional to 31,368.41, 47,039.80 and 15,567.68

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Solution

The fourth proportional to 31,368.41, 47,039.80 and 15,567.68 is: 23,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.41 : 47,039.80 = 15,567.68 : x
  2. Step 2: Convert to fraction form
    31,368.41/47,039.80 = 15,567.68/x
  3. Step 3: Cross multiply
    31,368.41x = 47,039.80 × 15,567.68
  4. Step 4: Simplify right side
    31,368.41x = 732,300,632.34
  5. Step 5: Solve for x
    x = 732,300,632.34/31,368.41
  6. Step 6: Final answer
    x = 23,345.17

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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.