Home / 58,043.20-87,064.80-18,604.30

Finding the Fourth Proportional to 58,043.20, 87,064.80 and 18,604.30

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Solution

The fourth proportional to 58,043.20, 87,064.80 and 18,604.30 is: 27,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,043.20 : 87,064.80 = 18,604.30 : x
  2. Step 2: Convert to fraction form
    58,043.20/87,064.80 = 18,604.30/x
  3. Step 3: Cross multiply
    58,043.20x = 87,064.80 × 18,604.30
  4. Step 4: Simplify right side
    58,043.20x = 1,619,779,658.64
  5. Step 5: Solve for x
    x = 1,619,779,658.64/58,043.20
  6. Step 6: Final answer
    x = 27,906.45

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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.