Home / 39,219.34-58,780.81-18,130.86

Finding the Fourth Proportional to 39,219.34, 58,780.81 and 18,130.86

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Solution

The fourth proportional to 39,219.34, 58,780.81 and 18,130.86 is: 27,174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.34 : 58,780.81 = 18,130.86 : x
  2. Step 2: Convert to fraction form
    39,219.34/58,780.81 = 18,130.86/x
  3. Step 3: Cross multiply
    39,219.34x = 58,780.81 × 18,130.86
  4. Step 4: Simplify right side
    39,219.34x = 1,065,746,636.80
  5. Step 5: Solve for x
    x = 1,065,746,636.80/39,219.34
  6. Step 6: Final answer
    x = 27,174.01

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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.