Home / 46,785.92-70,173.12-20,485.76

Finding the Fourth Proportional to 46,785.92, 70,173.12 and 20,485.76

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Solution

The fourth proportional to 46,785.92, 70,173.12 and 20,485.76 is: 30,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,785.92 : 70,173.12 = 20,485.76 : x
  2. Step 2: Convert to fraction form
    46,785.92/70,173.12 = 20,485.76/x
  3. Step 3: Cross multiply
    46,785.92x = 70,173.12 × 20,485.76
  4. Step 4: Simplify right side
    46,785.92x = 1,437,549,694.77
  5. Step 5: Solve for x
    x = 1,437,549,694.77/46,785.92
  6. Step 6: Final answer
    x = 30,726.12

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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.