Home / 47,719.80-71,579.70-26,983.80

Finding the Fourth Proportional to 47,719.80, 71,579.70 and 26,983.80

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Solution

The fourth proportional to 47,719.80, 71,579.70 and 26,983.80 is: 40,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,719.80 : 71,579.70 = 26,983.80 : x
  2. Step 2: Convert to fraction form
    47,719.80/71,579.70 = 26,983.80/x
  3. Step 3: Cross multiply
    47,719.80x = 71,579.70 × 26,983.80
  4. Step 4: Simplify right side
    47,719.80x = 1,931,492,308.86
  5. Step 5: Solve for x
    x = 1,931,492,308.86/47,719.80
  6. Step 6: Final answer
    x = 40,475.70

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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.