Home / 30,210.12-41,695.38-17,461.50

Finding the Fourth Proportional to 30,210.12, 41,695.38 and 17,461.50

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Solution

The fourth proportional to 30,210.12, 41,695.38 and 17,461.50 is: 24,100.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210.12 : 41,695.38 = 17,461.50 : x
  2. Step 2: Convert to fraction form
    30,210.12/41,695.38 = 17,461.50/x
  3. Step 3: Cross multiply
    30,210.12x = 41,695.38 × 17,461.50
  4. Step 4: Simplify right side
    30,210.12x = 728,063,877.87
  5. Step 5: Solve for x
    x = 728,063,877.87/30,210.12
  6. Step 6: Final answer
    x = 24,100.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.