Home / 37,312.32-51,501.12-21,405.12

Finding the Fourth Proportional to 37,312.32, 51,501.12 and 21,405.12

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Solution

The fourth proportional to 37,312.32, 51,501.12 and 21,405.12 is: 29,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,312.32 : 51,501.12 = 21,405.12 : x
  2. Step 2: Convert to fraction form
    37,312.32/51,501.12 = 21,405.12/x
  3. Step 3: Cross multiply
    37,312.32x = 51,501.12 × 21,405.12
  4. Step 4: Simplify right side
    37,312.32x = 1,102,387,653.73
  5. Step 5: Solve for x
    x = 1,102,387,653.73/37,312.32
  6. Step 6: Final answer
    x = 29,544.87

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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.