Home / 40,618.80-60,958.13-19,271.59

Finding the Fourth Proportional to 40,618.80, 60,958.13 and 19,271.59

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Solution

The fourth proportional to 40,618.80, 60,958.13 and 19,271.59 is: 28,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,618.80 : 60,958.13 = 19,271.59 : x
  2. Step 2: Convert to fraction form
    40,618.80/60,958.13 = 19,271.59/x
  3. Step 3: Cross multiply
    40,618.80x = 60,958.13 × 19,271.59
  4. Step 4: Simplify right side
    40,618.80x = 1,174,760,088.53
  5. Step 5: Solve for x
    x = 1,174,760,088.53/40,618.80
  6. Step 6: Final answer
    x = 28,921.59

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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.