Home / 58,415.43-87,631.59-18,420.84

Finding the Fourth Proportional to 58,415.43, 87,631.59 and 18,420.84

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Solution

The fourth proportional to 58,415.43, 87,631.59 and 18,420.84 is: 27,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,415.43 : 87,631.59 = 18,420.84 : x
  2. Step 2: Convert to fraction form
    58,415.43/87,631.59 = 18,420.84/x
  3. Step 3: Cross multiply
    58,415.43x = 87,631.59 × 18,420.84
  4. Step 4: Simplify right side
    58,415.43x = 1,614,247,498.34
  5. Step 5: Solve for x
    x = 1,614,247,498.34/58,415.43
  6. Step 6: Final answer
    x = 27,633.92

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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.