Home / 37,088.45-51,182.11-21,988.50

Finding the Fourth Proportional to 37,088.45, 51,182.11 and 21,988.50

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Solution

The fourth proportional to 37,088.45, 51,182.11 and 21,988.50 is: 30,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,088.45 : 51,182.11 = 21,988.50 : x
  2. Step 2: Convert to fraction form
    37,088.45/51,182.11 = 21,988.50/x
  3. Step 3: Cross multiply
    37,088.45x = 51,182.11 × 21,988.50
  4. Step 4: Simplify right side
    37,088.45x = 1,125,417,770.76
  5. Step 5: Solve for x
    x = 1,125,417,770.76/37,088.45
  6. Step 6: Final answer
    x = 30,344.16

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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.