Home / 39,037.32-58,533.78-12,378.39

Finding the Fourth Proportional to 39,037.32, 58,533.78 and 12,378.39

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Solution

The fourth proportional to 39,037.32, 58,533.78 and 12,378.39 is: 18,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,037.32 : 58,533.78 = 12,378.39 : x
  2. Step 2: Convert to fraction form
    39,037.32/58,533.78 = 12,378.39/x
  3. Step 3: Cross multiply
    39,037.32x = 58,533.78 × 12,378.39
  4. Step 4: Simplify right side
    39,037.32x = 724,553,957.01
  5. Step 5: Solve for x
    x = 724,553,957.01/39,037.32
  6. Step 6: Final answer
    x = 18,560.55

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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.