Home / 53,487.51-73,813.89-29,289.49

Finding the Fourth Proportional to 53,487.51, 73,813.89 and 29,289.49

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Solution

The fourth proportional to 53,487.51, 73,813.89 and 29,289.49 is: 40,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,487.51 : 73,813.89 = 29,289.49 : x
  2. Step 2: Convert to fraction form
    53,487.51/73,813.89 = 29,289.49/x
  3. Step 3: Cross multiply
    53,487.51x = 73,813.89 × 29,289.49
  4. Step 4: Simplify right side
    53,487.51x = 2,161,971,193.02
  5. Step 5: Solve for x
    x = 2,161,971,193.02/53,487.51
  6. Step 6: Final answer
    x = 40,420.11

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1.5x scale

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.