Home / 52,897.48-79,345.36-21,306.79

Finding the Fourth Proportional to 52,897.48, 79,345.36 and 21,306.79

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Solution

The fourth proportional to 52,897.48, 79,345.36 and 21,306.79 is: 31,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,897.48 : 79,345.36 = 21,306.79 : x
  2. Step 2: Convert to fraction form
    52,897.48/79,345.36 = 21,306.79/x
  3. Step 3: Cross multiply
    52,897.48x = 79,345.36 × 21,306.79
  4. Step 4: Simplify right side
    52,897.48x = 1,690,594,922.99
  5. Step 5: Solve for x
    x = 1,690,594,922.99/52,897.48
  6. Step 6: Final answer
    x = 31,959.84

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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.