Home / 30,001.80-45,002.70-23,003.40

Finding the Fourth Proportional to 30,001.80, 45,002.70 and 23,003.40

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Solution

The fourth proportional to 30,001.80, 45,002.70 and 23,003.40 is: 34,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,001.80 : 45,002.70 = 23,003.40 : x
  2. Step 2: Convert to fraction form
    30,001.80/45,002.70 = 23,003.40/x
  3. Step 3: Cross multiply
    30,001.80x = 45,002.70 × 23,003.40
  4. Step 4: Simplify right side
    30,001.80x = 1,035,215,109.18
  5. Step 5: Solve for x
    x = 1,035,215,109.18/30,001.80
  6. Step 6: Final answer
    x = 34,505.10

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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.