Home / 42,779.19-58,973.53-29,329.14

Finding the Fourth Proportional to 42,779.19, 58,973.53 and 29,329.14

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Solution

The fourth proportional to 42,779.19, 58,973.53 and 29,329.14 is: 40,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,779.19 : 58,973.53 = 29,329.14 : x
  2. Step 2: Convert to fraction form
    42,779.19/58,973.53 = 29,329.14/x
  3. Step 3: Cross multiply
    42,779.19x = 58,973.53 × 29,329.14
  4. Step 4: Simplify right side
    42,779.19x = 1,729,642,917.66
  5. Step 5: Solve for x
    x = 1,729,642,917.66/42,779.19
  6. Step 6: Final answer
    x = 40,431.88

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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.