Home / 37,837.12-52,216.16-21,070.40

Finding the Fourth Proportional to 37,837.12, 52,216.16 and 21,070.40

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Solution

The fourth proportional to 37,837.12, 52,216.16 and 21,070.40 is: 29,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,837.12 : 52,216.16 = 21,070.40 : x
  2. Step 2: Convert to fraction form
    37,837.12/52,216.16 = 21,070.40/x
  3. Step 3: Cross multiply
    37,837.12x = 52,216.16 × 21,070.40
  4. Step 4: Simplify right side
    37,837.12x = 1,100,215,377.66
  5. Step 5: Solve for x
    x = 1,100,215,377.66/37,837.12
  6. Step 6: Final answer
    x = 29,077.67

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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.