Home / 39,790.56-59,570.64-29,971.20

Finding the Fourth Proportional to 39,790.56, 59,570.64 and 29,971.20

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Solution

The fourth proportional to 39,790.56, 59,570.64 and 29,971.20 is: 44,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,790.56 : 59,570.64 = 29,971.20 : x
  2. Step 2: Convert to fraction form
    39,790.56/59,570.64 = 29,971.20/x
  3. Step 3: Cross multiply
    39,790.56x = 59,570.64 × 29,971.20
  4. Step 4: Simplify right side
    39,790.56x = 1,785,403,565.57
  5. Step 5: Solve for x
    x = 1,785,403,565.57/39,790.56
  6. Step 6: Final answer
    x = 44,870.03

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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.