Home / 40,237.99-60,388.88-21,276.09

Finding the Fourth Proportional to 40,237.99, 60,388.88 and 21,276.09

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Solution

The fourth proportional to 40,237.99, 60,388.88 and 21,276.09 is: 31,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,237.99 : 60,388.88 = 21,276.09 : x
  2. Step 2: Convert to fraction form
    40,237.99/60,388.88 = 21,276.09/x
  3. Step 3: Cross multiply
    40,237.99x = 60,388.88 × 21,276.09
  4. Step 4: Simplify right side
    40,237.99x = 1,284,839,139.50
  5. Step 5: Solve for x
    x = 1,284,839,139.50/40,237.99
  6. Step 6: Final answer
    x = 31,931.00

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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.