Home / 37,335.12-51,505.80-21,416.40

Finding the Fourth Proportional to 37,335.12, 51,505.80 and 21,416.40

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Solution

The fourth proportional to 37,335.12, 51,505.80 and 21,416.40 is: 29,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,335.12 : 51,505.80 = 21,416.40 : x
  2. Step 2: Convert to fraction form
    37,335.12/51,505.80 = 21,416.40/x
  3. Step 3: Cross multiply
    37,335.12x = 51,505.80 × 21,416.40
  4. Step 4: Simplify right side
    37,335.12x = 1,103,068,815.12
  5. Step 5: Solve for x
    x = 1,103,068,815.12/37,335.12
  6. Step 6: Final answer
    x = 29,545.07

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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.