Home / 53,045.80-79,558.98-21,454.18

Finding the Fourth Proportional to 53,045.80, 79,558.98 and 21,454.18

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Solution

The fourth proportional to 53,045.80, 79,558.98 and 21,454.18 is: 32,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.80 : 79,558.98 = 21,454.18 : x
  2. Step 2: Convert to fraction form
    53,045.80/79,558.98 = 21,454.18/x
  3. Step 3: Cross multiply
    53,045.80x = 79,558.98 × 21,454.18
  4. Step 4: Simplify right side
    53,045.80x = 1,706,872,677.54
  5. Step 5: Solve for x
    x = 1,706,872,677.54/53,045.80
  6. Step 6: Final answer
    x = 32,177.34

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1.5x scale

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.