Home / 40,720.48-56,191.60-22,570.08

Finding the Fourth Proportional to 40,720.48, 56,191.60 and 22,570.08

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Solution

The fourth proportional to 40,720.48, 56,191.60 and 22,570.08 is: 31,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,720.48 : 56,191.60 = 22,570.08 : x
  2. Step 2: Convert to fraction form
    40,720.48/56,191.60 = 22,570.08/x
  3. Step 3: Cross multiply
    40,720.48x = 56,191.60 × 22,570.08
  4. Step 4: Simplify right side
    40,720.48x = 1,268,248,907.33
  5. Step 5: Solve for x
    x = 1,268,248,907.33/40,720.48
  6. Step 6: Final answer
    x = 31,145.23

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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.