Home / 30,335.32-45,526.27-20,825.31

Finding the Fourth Proportional to 30,335.32, 45,526.27 and 20,825.31

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Solution

The fourth proportional to 30,335.32, 45,526.27 and 20,825.31 is: 31,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.32 : 45,526.27 = 20,825.31 : x
  2. Step 2: Convert to fraction form
    30,335.32/45,526.27 = 20,825.31/x
  3. Step 3: Cross multiply
    30,335.32x = 45,526.27 × 20,825.31
  4. Step 4: Simplify right side
    30,335.32x = 948,098,685.89
  5. Step 5: Solve for x
    x = 948,098,685.89/30,335.32
  6. Step 6: Final answer
    x = 31,253.95

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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.