Home / 47,028.23-70,555.40-18,941.70

Finding the Fourth Proportional to 47,028.23, 70,555.40 and 18,941.70

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Solution

The fourth proportional to 47,028.23, 70,555.40 and 18,941.70 is: 28,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,028.23 : 70,555.40 = 18,941.70 : x
  2. Step 2: Convert to fraction form
    47,028.23/70,555.40 = 18,941.70/x
  3. Step 3: Cross multiply
    47,028.23x = 70,555.40 × 18,941.70
  4. Step 4: Simplify right side
    47,028.23x = 1,336,439,125.47
  5. Step 5: Solve for x
    x = 1,336,439,125.47/47,028.23
  6. Step 6: Final answer
    x = 28,417.81

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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.