Home / 37,948.57-56,898.25-20,430.70

Finding the Fourth Proportional to 37,948.57, 56,898.25 and 20,430.70

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Solution

The fourth proportional to 37,948.57, 56,898.25 and 20,430.70 is: 30,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,948.57 : 56,898.25 = 20,430.70 : x
  2. Step 2: Convert to fraction form
    37,948.57/56,898.25 = 20,430.70/x
  3. Step 3: Cross multiply
    37,948.57x = 56,898.25 × 20,430.70
  4. Step 4: Simplify right side
    37,948.57x = 1,162,470,882.95
  5. Step 5: Solve for x
    x = 1,162,470,882.95/37,948.57
  6. Step 6: Final answer
    x = 30,632.80

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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.