Home / 39,155.52-58,738.88-15,780.16

Finding the Fourth Proportional to 39,155.52, 58,738.88 and 15,780.16

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Solution

The fourth proportional to 39,155.52, 58,738.88 and 15,780.16 is: 23,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155.52 : 58,738.88 = 15,780.16 : x
  2. Step 2: Convert to fraction form
    39,155.52/58,738.88 = 15,780.16/x
  3. Step 3: Cross multiply
    39,155.52x = 58,738.88 × 15,780.16
  4. Step 4: Simplify right side
    39,155.52x = 926,908,924.62
  5. Step 5: Solve for x
    x = 926,908,924.62/39,155.52
  6. Step 6: Final answer
    x = 23,672.50

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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.