Home / 40,417.56-55,777.98-22,512.57

Finding the Fourth Proportional to 40,417.56, 55,777.98 and 22,512.57

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Solution

The fourth proportional to 40,417.56, 55,777.98 and 22,512.57 is: 31,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,417.56 : 55,777.98 = 22,512.57 : x
  2. Step 2: Convert to fraction form
    40,417.56/55,777.98 = 22,512.57/x
  3. Step 3: Cross multiply
    40,417.56x = 55,777.98 × 22,512.57
  4. Step 4: Simplify right side
    40,417.56x = 1,255,705,679.21
  5. Step 5: Solve for x
    x = 1,255,705,679.21/40,417.56
  6. Step 6: Final answer
    x = 31,068.32

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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.