Home / 61,376.56-84,677.88-40,168.24

Finding the Fourth Proportional to 61,376.56, 84,677.88 and 40,168.24

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Solution

The fourth proportional to 61,376.56, 84,677.88 and 40,168.24 is: 55,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,376.56 : 84,677.88 = 40,168.24 : x
  2. Step 2: Convert to fraction form
    61,376.56/84,677.88 = 40,168.24/x
  3. Step 3: Cross multiply
    61,376.56x = 84,677.88 × 40,168.24
  4. Step 4: Simplify right side
    61,376.56x = 3,401,361,406.53
  5. Step 5: Solve for x
    x = 3,401,361,406.53/61,376.56
  6. Step 6: Final answer
    x = 55,417.92

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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.