Home / 47,830.87-66,009.23-26,609.68

Finding the Fourth Proportional to 47,830.87, 66,009.23 and 26,609.68

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Solution

The fourth proportional to 47,830.87, 66,009.23 and 26,609.68 is: 36,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,830.87 : 66,009.23 = 26,609.68 : x
  2. Step 2: Convert to fraction form
    47,830.87/66,009.23 = 26,609.68/x
  3. Step 3: Cross multiply
    47,830.87x = 66,009.23 × 26,609.68
  4. Step 4: Simplify right side
    47,830.87x = 1,756,484,487.35
  5. Step 5: Solve for x
    x = 1,756,484,487.35/47,830.87
  6. Step 6: Final answer
    x = 36,722.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.