Home / 40,827-56,166.30-39,077.40

Finding the Fourth Proportional to 40,827, 56,166.30 and 39,077.40

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Solution

The fourth proportional to 40,827, 56,166.30 and 39,077.40 is: 53,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,827 : 56,166.30 = 39,077.40 : x
  2. Step 2: Convert to fraction form
    40,827/56,166.30 = 39,077.40/x
  3. Step 3: Cross multiply
    40,827x = 56,166.30 × 39,077.40
  4. Step 4: Simplify right side
    40,827x = 2,194,832,971.62
  5. Step 5: Solve for x
    x = 2,194,832,971.62/40,827
  6. Step 6: Final answer
    x = 53,759.35

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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.