Home / 40,878.96-61,281.33-36,450.28

Finding the Fourth Proportional to 40,878.96, 61,281.33 and 36,450.28

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Solution

The fourth proportional to 40,878.96, 61,281.33 and 36,450.28 is: 54,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,878.96 : 61,281.33 = 36,450.28 : x
  2. Step 2: Convert to fraction form
    40,878.96/61,281.33 = 36,450.28/x
  3. Step 3: Cross multiply
    40,878.96x = 61,281.33 × 36,450.28
  4. Step 4: Simplify right side
    40,878.96x = 2,233,721,577.19
  5. Step 5: Solve for x
    x = 2,233,721,577.19/40,878.96
  6. Step 6: Final answer
    x = 54,642.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.