Home / 51,986.09-77,971.01-16,925.51

Finding the Fourth Proportional to 51,986.09, 77,971.01 and 16,925.51

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Solution

The fourth proportional to 51,986.09, 77,971.01 and 16,925.51 is: 25,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986.09 : 77,971.01 = 16,925.51 : x
  2. Step 2: Convert to fraction form
    51,986.09/77,971.01 = 16,925.51/x
  3. Step 3: Cross multiply
    51,986.09x = 77,971.01 × 16,925.51
  4. Step 4: Simplify right side
    51,986.09x = 1,319,699,219.77
  5. Step 5: Solve for x
    x = 1,319,699,219.77/51,986.09
  6. Step 6: Final answer
    x = 25,385.62

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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.