Home / 53,041.52-79,565.40-21,866

Finding the Fourth Proportional to 53,041.52, 79,565.40 and 21,866

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Solution

The fourth proportional to 53,041.52, 79,565.40 and 21,866 is: 32,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,041.52 : 79,565.40 = 21,866 : x
  2. Step 2: Convert to fraction form
    53,041.52/79,565.40 = 21,866/x
  3. Step 3: Cross multiply
    53,041.52x = 79,565.40 × 21,866
  4. Step 4: Simplify right side
    53,041.52x = 1,739,777,036.40
  5. Step 5: Solve for x
    x = 1,739,777,036.40/53,041.52
  6. Step 6: Final answer
    x = 32,800.29

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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.