Home / 53,010.52-79,518.75-16,990.10

Finding the Fourth Proportional to 53,010.52, 79,518.75 and 16,990.10

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Solution

The fourth proportional to 53,010.52, 79,518.75 and 16,990.10 is: 25,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.52 : 79,518.75 = 16,990.10 : x
  2. Step 2: Convert to fraction form
    53,010.52/79,518.75 = 16,990.10/x
  3. Step 3: Cross multiply
    53,010.52x = 79,518.75 × 16,990.10
  4. Step 4: Simplify right side
    53,010.52x = 1,351,031,713.17
  5. Step 5: Solve for x
    x = 1,351,031,713.17/53,010.52
  6. Step 6: Final answer
    x = 25,486.11

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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.