Home / 53,430.88-73,728.23-29,554.31

Finding the Fourth Proportional to 53,430.88, 73,728.23 and 29,554.31

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Solution

The fourth proportional to 53,430.88, 73,728.23 and 29,554.31 is: 40,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,430.88 : 73,728.23 = 29,554.31 : x
  2. Step 2: Convert to fraction form
    53,430.88/73,728.23 = 29,554.31/x
  3. Step 3: Cross multiply
    53,430.88x = 73,728.23 × 29,554.31
  4. Step 4: Simplify right side
    53,430.88x = 2,178,986,448.76
  5. Step 5: Solve for x
    x = 2,178,986,448.76/53,430.88
  6. Step 6: Final answer
    x = 40,781.41

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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.