Home / 37,685.58-52,005.15-20,917.50

Finding the Fourth Proportional to 37,685.58, 52,005.15 and 20,917.50

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Solution

The fourth proportional to 37,685.58, 52,005.15 and 20,917.50 is: 28,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,685.58 : 52,005.15 = 20,917.50 : x
  2. Step 2: Convert to fraction form
    37,685.58/52,005.15 = 20,917.50/x
  3. Step 3: Cross multiply
    37,685.58x = 52,005.15 × 20,917.50
  4. Step 4: Simplify right side
    37,685.58x = 1,087,817,725.13
  5. Step 5: Solve for x
    x = 1,087,817,725.13/37,685.58
  6. Step 6: Final answer
    x = 28,865.62

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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.