Home / 53,004.60-73,146-29,130.72

Finding the Fourth Proportional to 53,004.60, 73,146 and 29,130.72

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Solution

The fourth proportional to 53,004.60, 73,146 and 29,130.72 is: 40,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,004.60 : 73,146 = 29,130.72 : x
  2. Step 2: Convert to fraction form
    53,004.60/73,146 = 29,130.72/x
  3. Step 3: Cross multiply
    53,004.60x = 73,146 × 29,130.72
  4. Step 4: Simplify right side
    53,004.60x = 2,130,795,645.12
  5. Step 5: Solve for x
    x = 2,130,795,645.12/53,004.60
  6. Step 6: Final answer
    x = 40,200.20

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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.