Home / 30,973.64-46,402.98-20,973.56

Finding the Fourth Proportional to 30,973.64, 46,402.98 and 20,973.56

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Solution

The fourth proportional to 30,973.64, 46,402.98 and 20,973.56 is: 31,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,973.64 : 46,402.98 = 20,973.56 : x
  2. Step 2: Convert to fraction form
    30,973.64/46,402.98 = 20,973.56/x
  3. Step 3: Cross multiply
    30,973.64x = 46,402.98 × 20,973.56
  4. Step 4: Simplify right side
    30,973.64x = 973,235,685.21
  5. Step 5: Solve for x
    x = 973,235,685.21/30,973.64
  6. Step 6: Final answer
    x = 31,421.42

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1.5x scale

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.