Home / 46,327.64-69,437.77-21,315.20

Finding the Fourth Proportional to 46,327.64, 69,437.77 and 21,315.20

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Solution

The fourth proportional to 46,327.64, 69,437.77 and 21,315.20 is: 31,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,327.64 : 69,437.77 = 21,315.20 : x
  2. Step 2: Convert to fraction form
    46,327.64/69,437.77 = 21,315.20/x
  3. Step 3: Cross multiply
    46,327.64x = 69,437.77 × 21,315.20
  4. Step 4: Simplify right side
    46,327.64x = 1,480,079,554.63
  5. Step 5: Solve for x
    x = 1,480,079,554.63/46,327.64
  6. Step 6: Final answer
    x = 31,948.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.