Home / 40,570.34-55,985.06-22,661.78

Finding the Fourth Proportional to 40,570.34, 55,985.06 and 22,661.78

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Solution

The fourth proportional to 40,570.34, 55,985.06 and 22,661.78 is: 31,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,570.34 : 55,985.06 = 22,661.78 : x
  2. Step 2: Convert to fraction form
    40,570.34/55,985.06 = 22,661.78/x
  3. Step 3: Cross multiply
    40,570.34x = 55,985.06 × 22,661.78
  4. Step 4: Simplify right side
    40,570.34x = 1,268,721,113.01
  5. Step 5: Solve for x
    x = 1,268,721,113.01/40,570.34
  6. Step 6: Final answer
    x = 31,272.13

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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.