Home / 34,394.81-47,473.28-20,973.46

Finding the Fourth Proportional to 34,394.81, 47,473.28 and 20,973.46

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Solution

The fourth proportional to 34,394.81, 47,473.28 and 20,973.46 is: 28,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,394.81 : 47,473.28 = 20,973.46 : x
  2. Step 2: Convert to fraction form
    34,394.81/47,473.28 = 20,973.46/x
  3. Step 3: Cross multiply
    34,394.81x = 47,473.28 × 20,973.46
  4. Step 4: Simplify right side
    34,394.81x = 995,678,939.15
  5. Step 5: Solve for x
    x = 995,678,939.15/34,394.81
  6. Step 6: Final answer
    x = 28,948.52

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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.