Home / 40,030.98-55,242.75-22,125.99

Finding the Fourth Proportional to 40,030.98, 55,242.75 and 22,125.99

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Solution

The fourth proportional to 40,030.98, 55,242.75 and 22,125.99 is: 30,533.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.98 : 55,242.75 = 22,125.99 : x
  2. Step 2: Convert to fraction form
    40,030.98/55,242.75 = 22,125.99/x
  3. Step 3: Cross multiply
    40,030.98x = 55,242.75 × 22,125.99
  4. Step 4: Simplify right side
    40,030.98x = 1,222,300,534.07
  5. Step 5: Solve for x
    x = 1,222,300,534.07/40,030.98
  6. Step 6: Final answer
    x = 30,533.86

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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.