Home / 36,457.52-54,686.27-18,890.44

Finding the Fourth Proportional to 36,457.52, 54,686.27 and 18,890.44

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Solution

The fourth proportional to 36,457.52, 54,686.27 and 18,890.44 is: 28,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,457.52 : 54,686.27 = 18,890.44 : x
  2. Step 2: Convert to fraction form
    36,457.52/54,686.27 = 18,890.44/x
  3. Step 3: Cross multiply
    36,457.52x = 54,686.27 × 18,890.44
  4. Step 4: Simplify right side
    36,457.52x = 1,033,047,612.77
  5. Step 5: Solve for x
    x = 1,033,047,612.77/36,457.52
  6. Step 6: Final answer
    x = 28,335.66

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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.