Home / 45,525.84-62,728.20-30,595.92

Finding the Fourth Proportional to 45,525.84, 62,728.20 and 30,595.92

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Solution

The fourth proportional to 45,525.84, 62,728.20 and 30,595.92 is: 42,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,525.84 : 62,728.20 = 30,595.92 : x
  2. Step 2: Convert to fraction form
    45,525.84/62,728.20 = 30,595.92/x
  3. Step 3: Cross multiply
    45,525.84x = 62,728.20 × 30,595.92
  4. Step 4: Simplify right side
    45,525.84x = 1,919,226,988.94
  5. Step 5: Solve for x
    x = 1,919,226,988.94/45,525.84
  6. Step 6: Final answer
    x = 42,156.87

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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.