Home / 40,001.55-55,160.79-34,355.00

Finding the Fourth Proportional to 40,001.55, 55,160.79 and 34,355.00

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Solution

The fourth proportional to 40,001.55, 55,160.79 and 34,355.00 is: 47,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,001.55 : 55,160.79 = 34,355.00 : x
  2. Step 2: Convert to fraction form
    40,001.55/55,160.79 = 34,355.00/x
  3. Step 3: Cross multiply
    40,001.55x = 55,160.79 × 34,355.00
  4. Step 4: Simplify right side
    40,001.55x = 1,895,048,664.65
  5. Step 5: Solve for x
    x = 1,895,048,664.65/40,001.55
  6. Step 6: Final answer
    x = 47,374.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.