Home / 46,615.71-64,353.51-31,587.78

Finding the Fourth Proportional to 46,615.71, 64,353.51 and 31,587.78

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Solution

The fourth proportional to 46,615.71, 64,353.51 and 31,587.78 is: 43,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,615.71 : 64,353.51 = 31,587.78 : x
  2. Step 2: Convert to fraction form
    46,615.71/64,353.51 = 31,587.78/x
  3. Step 3: Cross multiply
    46,615.71x = 64,353.51 × 31,587.78
  4. Step 4: Simplify right side
    46,615.71x = 2,032,784,516.11
  5. Step 5: Solve for x
    x = 2,032,784,516.11/46,615.71
  6. Step 6: Final answer
    x = 43,607.28

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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.