Home / 39,701.16-54,726.66-31,303.08

Finding the Fourth Proportional to 39,701.16, 54,726.66 and 31,303.08

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Solution

The fourth proportional to 39,701.16, 54,726.66 and 31,303.08 is: 43,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,701.16 : 54,726.66 = 31,303.08 : x
  2. Step 2: Convert to fraction form
    39,701.16/54,726.66 = 31,303.08/x
  3. Step 3: Cross multiply
    39,701.16x = 54,726.66 × 31,303.08
  4. Step 4: Simplify right side
    39,701.16x = 1,713,113,016.11
  5. Step 5: Solve for x
    x = 1,713,113,016.11/39,701.16
  6. Step 6: Final answer
    x = 43,150.20

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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.