Home / 39,887.05-59,809.40-11,803.24

Finding the Fourth Proportional to 39,887.05, 59,809.40 and 11,803.24

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Solution

The fourth proportional to 39,887.05, 59,809.40 and 11,803.24 is: 17,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,887.05 : 59,809.40 = 11,803.24 : x
  2. Step 2: Convert to fraction form
    39,887.05/59,809.40 = 11,803.24/x
  3. Step 3: Cross multiply
    39,887.05x = 59,809.40 × 11,803.24
  4. Step 4: Simplify right side
    39,887.05x = 705,944,492.43
  5. Step 5: Solve for x
    x = 705,944,492.43/39,887.05
  6. Step 6: Final answer
    x = 17,698.59

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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.