Home / 37,454.49-51,686.30-21,538.59

Finding the Fourth Proportional to 37,454.49, 51,686.30 and 21,538.59

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Solution

The fourth proportional to 37,454.49, 51,686.30 and 21,538.59 is: 29,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,454.49 : 51,686.30 = 21,538.59 : x
  2. Step 2: Convert to fraction form
    37,454.49/51,686.30 = 21,538.59/x
  3. Step 3: Cross multiply
    37,454.49x = 51,686.30 × 21,538.59
  4. Step 4: Simplify right side
    37,454.49x = 1,113,249,916.62
  5. Step 5: Solve for x
    x = 1,113,249,916.62/37,454.49
  6. Step 6: Final answer
    x = 29,722.74

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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.