Home / 37,427.77-51,653.87-21,521.53

Finding the Fourth Proportional to 37,427.77, 51,653.87 and 21,521.53

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Solution

The fourth proportional to 37,427.77, 51,653.87 and 21,521.53 is: 29,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,427.77 : 51,653.87 = 21,521.53 : x
  2. Step 2: Convert to fraction form
    37,427.77/51,653.87 = 21,521.53/x
  3. Step 3: Cross multiply
    37,427.77x = 51,653.87 × 21,521.53
  4. Step 4: Simplify right side
    37,427.77x = 1,111,670,312.82
  5. Step 5: Solve for x
    x = 1,111,670,312.82/37,427.77
  6. Step 6: Final answer
    x = 29,701.75

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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.