Home / 30,060.90-45,048.21-16,885.53

Finding the Fourth Proportional to 30,060.90, 45,048.21 and 16,885.53

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Solution

The fourth proportional to 30,060.90, 45,048.21 and 16,885.53 is: 25,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,060.90 : 45,048.21 = 16,885.53 : x
  2. Step 2: Convert to fraction form
    30,060.90/45,048.21 = 16,885.53/x
  3. Step 3: Cross multiply
    30,060.90x = 45,048.21 × 16,885.53
  4. Step 4: Simplify right side
    30,060.90x = 760,662,901.40
  5. Step 5: Solve for x
    x = 760,662,901.40/30,060.90
  6. Step 6: Final answer
    x = 25,304.06

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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.