Home / 30,100.34-45,156.18-13,461.08

Finding the Fourth Proportional to 30,100.34, 45,156.18 and 13,461.08

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Solution

The fourth proportional to 30,100.34, 45,156.18 and 13,461.08 is: 20,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.34 : 45,156.18 = 13,461.08 : x
  2. Step 2: Convert to fraction form
    30,100.34/45,156.18 = 13,461.08/x
  3. Step 3: Cross multiply
    30,100.34x = 45,156.18 × 13,461.08
  4. Step 4: Simplify right side
    30,100.34x = 607,850,951.47
  5. Step 5: Solve for x
    x = 607,850,951.47/30,100.34
  6. Step 6: Final answer
    x = 20,194.16

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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.