Home / 24,319.09-36,478.64-18,780.51

Finding the Fourth Proportional to 24,319.09, 36,478.64 and 18,780.51

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Solution

The fourth proportional to 24,319.09, 36,478.64 and 18,780.51 is: 28,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,319.09 : 36,478.64 = 18,780.51 : x
  2. Step 2: Convert to fraction form
    24,319.09/36,478.64 = 18,780.51/x
  3. Step 3: Cross multiply
    24,319.09x = 36,478.64 × 18,780.51
  4. Step 4: Simplify right side
    24,319.09x = 685,087,463.31
  5. Step 5: Solve for x
    x = 685,087,463.31/24,319.09
  6. Step 6: Final answer
    x = 28,170.77

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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.