Home / 40,448.63-55,821.01-22,543.76

Finding the Fourth Proportional to 40,448.63, 55,821.01 and 22,543.76

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Solution

The fourth proportional to 40,448.63, 55,821.01 and 22,543.76 is: 31,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,448.63 : 55,821.01 = 22,543.76 : x
  2. Step 2: Convert to fraction form
    40,448.63/55,821.01 = 22,543.76/x
  3. Step 3: Cross multiply
    40,448.63x = 55,821.01 × 22,543.76
  4. Step 4: Simplify right side
    40,448.63x = 1,258,415,452.40
  5. Step 5: Solve for x
    x = 1,258,415,452.40/40,448.63
  6. Step 6: Final answer
    x = 31,111.45

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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.