Home / 40,275.36-55,581-22,369.50

Finding the Fourth Proportional to 40,275.36, 55,581 and 22,369.50

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Solution

The fourth proportional to 40,275.36, 55,581 and 22,369.50 is: 30,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.36 : 55,581 = 22,369.50 : x
  2. Step 2: Convert to fraction form
    40,275.36/55,581 = 22,369.50/x
  3. Step 3: Cross multiply
    40,275.36x = 55,581 × 22,369.50
  4. Step 4: Simplify right side
    40,275.36x = 1,243,319,179.50
  5. Step 5: Solve for x
    x = 1,243,319,179.50/40,275.36
  6. Step 6: Final answer
    x = 30,870.47

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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.