Home / 40,895.78-56,430.69-22,987.22

Finding the Fourth Proportional to 40,895.78, 56,430.69 and 22,987.22

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Solution

The fourth proportional to 40,895.78, 56,430.69 and 22,987.22 is: 31,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,895.78 : 56,430.69 = 22,987.22 : x
  2. Step 2: Convert to fraction form
    40,895.78/56,430.69 = 22,987.22/x
  3. Step 3: Cross multiply
    40,895.78x = 56,430.69 × 22,987.22
  4. Step 4: Simplify right side
    40,895.78x = 1,297,184,685.78
  5. Step 5: Solve for x
    x = 1,297,184,685.78/40,895.78
  6. Step 6: Final answer
    x = 31,719.28

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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.