Home / 39,263.24-58,886.40-12,961.76

Finding the Fourth Proportional to 39,263.24, 58,886.40 and 12,961.76

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Solution

The fourth proportional to 39,263.24, 58,886.40 and 12,961.76 is: 19,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,263.24 : 58,886.40 = 12,961.76 : x
  2. Step 2: Convert to fraction form
    39,263.24/58,886.40 = 12,961.76/x
  3. Step 3: Cross multiply
    39,263.24x = 58,886.40 × 12,961.76
  4. Step 4: Simplify right side
    39,263.24x = 763,271,384.06
  5. Step 5: Solve for x
    x = 763,271,384.06/39,263.24
  6. Step 6: Final answer
    x = 19,439.85

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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.