Home / 58,431.97-87,629.73-18,980.92

Finding the Fourth Proportional to 58,431.97, 87,629.73 and 18,980.92

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Solution

The fourth proportional to 58,431.97, 87,629.73 and 18,980.92 is: 28,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,431.97 : 87,629.73 = 18,980.92 : x
  2. Step 2: Convert to fraction form
    58,431.97/87,629.73 = 18,980.92/x
  3. Step 3: Cross multiply
    58,431.97x = 87,629.73 × 18,980.92
  4. Step 4: Simplify right side
    58,431.97x = 1,663,292,894.75
  5. Step 5: Solve for x
    x = 1,663,292,894.75/58,431.97
  6. Step 6: Final answer
    x = 28,465.46

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1.5x scale

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.