Home / 39,701.30-54,708.81-28,338.74

Finding the Fourth Proportional to 39,701.30, 54,708.81 and 28,338.74

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Solution

The fourth proportional to 39,701.30, 54,708.81 and 28,338.74 is: 39,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,701.30 : 54,708.81 = 28,338.74 : x
  2. Step 2: Convert to fraction form
    39,701.30/54,708.81 = 28,338.74/x
  3. Step 3: Cross multiply
    39,701.30x = 54,708.81 × 28,338.74
  4. Step 4: Simplify right side
    39,701.30x = 1,550,378,742.30
  5. Step 5: Solve for x
    x = 1,550,378,742.30/39,701.30
  6. Step 6: Final answer
    x = 39,051.08

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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.