Home / 37,007.50-51,070.38-20,240.50

Finding the Fourth Proportional to 37,007.50, 51,070.38 and 20,240.50

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Solution

The fourth proportional to 37,007.50, 51,070.38 and 20,240.50 is: 27,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,007.50 : 51,070.38 = 20,240.50 : x
  2. Step 2: Convert to fraction form
    37,007.50/51,070.38 = 20,240.50/x
  3. Step 3: Cross multiply
    37,007.50x = 51,070.38 × 20,240.50
  4. Step 4: Simplify right side
    37,007.50x = 1,033,690,026.39
  5. Step 5: Solve for x
    x = 1,033,690,026.39/37,007.50
  6. Step 6: Final answer
    x = 27,931.91

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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.