Home / 40,774.84-56,260.29-39,430.87

Finding the Fourth Proportional to 40,774.84, 56,260.29 and 39,430.87

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Solution

The fourth proportional to 40,774.84, 56,260.29 and 39,430.87 is: 54,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,774.84 : 56,260.29 = 39,430.87 : x
  2. Step 2: Convert to fraction form
    40,774.84/56,260.29 = 39,430.87/x
  3. Step 3: Cross multiply
    40,774.84x = 56,260.29 × 39,430.87
  4. Step 4: Simplify right side
    40,774.84x = 2,218,392,181.15
  5. Step 5: Solve for x
    x = 2,218,392,181.15/40,774.84
  6. Step 6: Final answer
    x = 54,405.91

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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.