Home / 40,189.71-55,461.70-22,284.25

Finding the Fourth Proportional to 40,189.71, 55,461.70 and 22,284.25

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Solution

The fourth proportional to 40,189.71, 55,461.70 and 22,284.25 is: 30,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.71 : 55,461.70 = 22,284.25 : x
  2. Step 2: Convert to fraction form
    40,189.71/55,461.70 = 22,284.25/x
  3. Step 3: Cross multiply
    40,189.71x = 55,461.70 × 22,284.25
  4. Step 4: Simplify right side
    40,189.71x = 1,235,922,332.51
  5. Step 5: Solve for x
    x = 1,235,922,332.51/40,189.71
  6. Step 6: Final answer
    x = 30,752.21

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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.