Home / 45,549.48-68,337.44-18,890.58

Finding the Fourth Proportional to 45,549.48, 68,337.44 and 18,890.58

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Solution

The fourth proportional to 45,549.48, 68,337.44 and 18,890.58 is: 28,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,549.48 : 68,337.44 = 18,890.58 : x
  2. Step 2: Convert to fraction form
    45,549.48/68,337.44 = 18,890.58/x
  3. Step 3: Cross multiply
    45,549.48x = 68,337.44 × 18,890.58
  4. Step 4: Simplify right side
    45,549.48x = 1,290,933,877.32
  5. Step 5: Solve for x
    x = 1,290,933,877.32/45,549.48
  6. Step 6: Final answer
    x = 28,341.35

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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.