Home / 45,044.40-67,543.92-13,875.60

Finding the Fourth Proportional to 45,044.40, 67,543.92 and 13,875.60

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Solution

The fourth proportional to 45,044.40, 67,543.92 and 13,875.60 is: 20,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,044.40 : 67,543.92 = 13,875.60 : x
  2. Step 2: Convert to fraction form
    45,044.40/67,543.92 = 13,875.60/x
  3. Step 3: Cross multiply
    45,044.40x = 67,543.92 × 13,875.60
  4. Step 4: Simplify right side
    45,044.40x = 937,212,416.35
  5. Step 5: Solve for x
    x = 937,212,416.35/45,044.40
  6. Step 6: Final answer
    x = 20,806.41

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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.