Home / 53,090.46-73,265.10-30,430.80

Finding the Fourth Proportional to 53,090.46, 73,265.10 and 30,430.80

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Solution

The fourth proportional to 53,090.46, 73,265.10 and 30,430.80 is: 41,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,090.46 : 73,265.10 = 30,430.80 : x
  2. Step 2: Convert to fraction form
    53,090.46/73,265.10 = 30,430.80/x
  3. Step 3: Cross multiply
    53,090.46x = 73,265.10 × 30,430.80
  4. Step 4: Simplify right side
    53,090.46x = 2,229,515,605.08
  5. Step 5: Solve for x
    x = 2,229,515,605.08/53,090.46
  6. Step 6: Final answer
    x = 41,994.66

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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.