Home / 43,220.04-64,786.29-29,145.48

Finding the Fourth Proportional to 43,220.04, 64,786.29 and 29,145.48

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Solution

The fourth proportional to 43,220.04, 64,786.29 and 29,145.48 is: 43,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,220.04 : 64,786.29 = 29,145.48 : x
  2. Step 2: Convert to fraction form
    43,220.04/64,786.29 = 29,145.48/x
  3. Step 3: Cross multiply
    43,220.04x = 64,786.29 × 29,145.48
  4. Step 4: Simplify right side
    43,220.04x = 1,888,227,519.47
  5. Step 5: Solve for x
    x = 1,888,227,519.47/43,220.04
  6. Step 6: Final answer
    x = 43,688.70

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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.