Home / 45,337.53-67,967.19-20,017.74

Finding the Fourth Proportional to 45,337.53, 67,967.19 and 20,017.74

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Solution

The fourth proportional to 45,337.53, 67,967.19 and 20,017.74 is: 30,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,337.53 : 67,967.19 = 20,017.74 : x
  2. Step 2: Convert to fraction form
    45,337.53/67,967.19 = 20,017.74/x
  3. Step 3: Cross multiply
    45,337.53x = 67,967.19 × 20,017.74
  4. Step 4: Simplify right side
    45,337.53x = 1,360,549,537.95
  5. Step 5: Solve for x
    x = 1,360,549,537.95/45,337.53
  6. Step 6: Final answer
    x = 30,009.34

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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.