Home / 53,256.61-79,895.85-21,666.59

Finding the Fourth Proportional to 53,256.61, 79,895.85 and 21,666.59

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Solution

The fourth proportional to 53,256.61, 79,895.85 and 21,666.59 is: 32,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,256.61 : 79,895.85 = 21,666.59 : x
  2. Step 2: Convert to fraction form
    53,256.61/79,895.85 = 21,666.59/x
  3. Step 3: Cross multiply
    53,256.61x = 79,895.85 × 21,666.59
  4. Step 4: Simplify right side
    53,256.61x = 1,731,071,014.82
  5. Step 5: Solve for x
    x = 1,731,071,014.82/53,256.61
  6. Step 6: Final answer
    x = 32,504.34

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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.