Home / 56,347.99-84,508.31-18,898.35

Finding the Fourth Proportional to 56,347.99, 84,508.31 and 18,898.35

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Solution

The fourth proportional to 56,347.99, 84,508.31 and 18,898.35 is: 28,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,347.99 : 84,508.31 = 18,898.35 : x
  2. Step 2: Convert to fraction form
    56,347.99/84,508.31 = 18,898.35/x
  3. Step 3: Cross multiply
    56,347.99x = 84,508.31 × 18,898.35
  4. Step 4: Simplify right side
    56,347.99x = 1,597,067,350.63
  5. Step 5: Solve for x
    x = 1,597,067,350.63/56,347.99
  6. Step 6: Final answer
    x = 28,342.94

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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.