Home / 40,303.13-55,619.67-22,398.89

Finding the Fourth Proportional to 40,303.13, 55,619.67 and 22,398.89

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Solution

The fourth proportional to 40,303.13, 55,619.67 and 22,398.89 is: 30,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,303.13 : 55,619.67 = 22,398.89 : x
  2. Step 2: Convert to fraction form
    40,303.13/55,619.67 = 22,398.89/x
  3. Step 3: Cross multiply
    40,303.13x = 55,619.67 × 22,398.89
  4. Step 4: Simplify right side
    40,303.13x = 1,245,818,870.17
  5. Step 5: Solve for x
    x = 1,245,818,870.17/40,303.13
  6. Step 6: Final answer
    x = 30,911.22

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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.