Home / 37,363.20-56,044.80-13,988.40

Finding the Fourth Proportional to 37,363.20, 56,044.80 and 13,988.40

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Solution

The fourth proportional to 37,363.20, 56,044.80 and 13,988.40 is: 20,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,363.20 : 56,044.80 = 13,988.40 : x
  2. Step 2: Convert to fraction form
    37,363.20/56,044.80 = 13,988.40/x
  3. Step 3: Cross multiply
    37,363.20x = 56,044.80 × 13,988.40
  4. Step 4: Simplify right side
    37,363.20x = 783,977,080.32
  5. Step 5: Solve for x
    x = 783,977,080.32/37,363.20
  6. Step 6: Final answer
    x = 20,982.60

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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.