Home / 30,210.90-45,273.15-22,251.30

Finding the Fourth Proportional to 30,210.90, 45,273.15 and 22,251.30

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Solution

The fourth proportional to 30,210.90, 45,273.15 and 22,251.30 is: 33,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210.90 : 45,273.15 = 22,251.30 : x
  2. Step 2: Convert to fraction form
    30,210.90/45,273.15 = 22,251.30/x
  3. Step 3: Cross multiply
    30,210.90x = 45,273.15 × 22,251.30
  4. Step 4: Simplify right side
    30,210.90x = 1,007,386,442.60
  5. Step 5: Solve for x
    x = 1,007,386,442.60/30,210.90
  6. Step 6: Final answer
    x = 33,345.13

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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.