Home / 34,681.38-47,860.52-20,338.28

Finding the Fourth Proportional to 34,681.38, 47,860.52 and 20,338.28

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Solution

The fourth proportional to 34,681.38, 47,860.52 and 20,338.28 is: 28,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,681.38 : 47,860.52 = 20,338.28 : x
  2. Step 2: Convert to fraction form
    34,681.38/47,860.52 = 20,338.28/x
  3. Step 3: Cross multiply
    34,681.38x = 47,860.52 × 20,338.28
  4. Step 4: Simplify right side
    34,681.38x = 973,400,656.71
  5. Step 5: Solve for x
    x = 973,400,656.71/34,681.38
  6. Step 6: Final answer
    x = 28,066.95

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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.