Home / 31,316.21-46,973.77-10,539.71

Finding the Fourth Proportional to 31,316.21, 46,973.77 and 10,539.71

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Solution

The fourth proportional to 31,316.21, 46,973.77 and 10,539.71 is: 15,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.21 : 46,973.77 = 10,539.71 : x
  2. Step 2: Convert to fraction form
    31,316.21/46,973.77 = 10,539.71/x
  3. Step 3: Cross multiply
    31,316.21x = 46,973.77 × 10,539.71
  4. Step 4: Simplify right side
    31,316.21x = 495,089,913.41
  5. Step 5: Solve for x
    x = 495,089,913.41/31,316.21
  6. Step 6: Final answer
    x = 15,809.38

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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.