Home / 37,657.20-56,436.36-21,025.08

Finding the Fourth Proportional to 37,657.20, 56,436.36 and 21,025.08

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Solution

The fourth proportional to 37,657.20, 56,436.36 and 21,025.08 is: 31,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,657.20 : 56,436.36 = 21,025.08 : x
  2. Step 2: Convert to fraction form
    37,657.20/56,436.36 = 21,025.08/x
  3. Step 3: Cross multiply
    37,657.20x = 56,436.36 × 21,025.08
  4. Step 4: Simplify right side
    37,657.20x = 1,186,578,983.91
  5. Step 5: Solve for x
    x = 1,186,578,983.91/37,657.20
  6. Step 6: Final answer
    x = 31,510.02

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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.