Home / 31,009.48-46,526.64-11,289.40

Finding the Fourth Proportional to 31,009.48, 46,526.64 and 11,289.40

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Solution

The fourth proportional to 31,009.48, 46,526.64 and 11,289.40 is: 16,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009.48 : 46,526.64 = 11,289.40 : x
  2. Step 2: Convert to fraction form
    31,009.48/46,526.64 = 11,289.40/x
  3. Step 3: Cross multiply
    31,009.48x = 46,526.64 × 11,289.40
  4. Step 4: Simplify right side
    31,009.48x = 525,257,849.62
  5. Step 5: Solve for x
    x = 525,257,849.62/31,009.48
  6. Step 6: Final answer
    x = 16,938.62

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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.