Home / 58,115.07-87,169.53-18,669.12

Finding the Fourth Proportional to 58,115.07, 87,169.53 and 18,669.12

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Solution

The fourth proportional to 58,115.07, 87,169.53 and 18,669.12 is: 28,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,115.07 : 87,169.53 = 18,669.12 : x
  2. Step 2: Convert to fraction form
    58,115.07/87,169.53 = 18,669.12/x
  3. Step 3: Cross multiply
    58,115.07x = 87,169.53 × 18,669.12
  4. Step 4: Simplify right side
    58,115.07x = 1,627,378,159.04
  5. Step 5: Solve for x
    x = 1,627,378,159.04/58,115.07
  6. Step 6: Final answer
    x = 28,002.69

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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.