Home / 30,301.90-45,402.73-15,490.44

Finding the Fourth Proportional to 30,301.90, 45,402.73 and 15,490.44

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Solution

The fourth proportional to 30,301.90, 45,402.73 and 15,490.44 is: 23,210.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.90 : 45,402.73 = 15,490.44 : x
  2. Step 2: Convert to fraction form
    30,301.90/45,402.73 = 15,490.44/x
  3. Step 3: Cross multiply
    30,301.90x = 45,402.73 × 15,490.44
  4. Step 4: Simplify right side
    30,301.90x = 703,308,226.18
  5. Step 5: Solve for x
    x = 703,308,226.18/30,301.90
  6. Step 6: Final answer
    x = 23,210.04

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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.