Home / 45,552.40-68,347.50-20,575.24

Finding the Fourth Proportional to 45,552.40, 68,347.50 and 20,575.24

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Solution

The fourth proportional to 45,552.40, 68,347.50 and 20,575.24 is: 30,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,552.40 : 68,347.50 = 20,575.24 : x
  2. Step 2: Convert to fraction form
    45,552.40/68,347.50 = 20,575.24/x
  3. Step 3: Cross multiply
    45,552.40x = 68,347.50 × 20,575.24
  4. Step 4: Simplify right side
    45,552.40x = 1,406,266,215.90
  5. Step 5: Solve for x
    x = 1,406,266,215.90/45,552.40
  6. Step 6: Final answer
    x = 30,871.40

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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.