Home / 58,078.44-87,126.30-20,635.40

Finding the Fourth Proportional to 58,078.44, 87,126.30 and 20,635.40

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Solution

The fourth proportional to 58,078.44, 87,126.30 and 20,635.40 is: 30,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,078.44 : 87,126.30 = 20,635.40 : x
  2. Step 2: Convert to fraction form
    58,078.44/87,126.30 = 20,635.40/x
  3. Step 3: Cross multiply
    58,078.44x = 87,126.30 × 20,635.40
  4. Step 4: Simplify right side
    58,078.44x = 1,797,886,051.02
  5. Step 5: Solve for x
    x = 1,797,886,051.02/58,078.44
  6. Step 6: Final answer
    x = 30,956.17

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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.