Home / 42,863.40-64,298.19-14,783.06

Finding the Fourth Proportional to 42,863.40, 64,298.19 and 14,783.06

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Solution

The fourth proportional to 42,863.40, 64,298.19 and 14,783.06 is: 22,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,863.40 : 64,298.19 = 14,783.06 : x
  2. Step 2: Convert to fraction form
    42,863.40/64,298.19 = 14,783.06/x
  3. Step 3: Cross multiply
    42,863.40x = 64,298.19 × 14,783.06
  4. Step 4: Simplify right side
    42,863.40x = 950,524,216.84
  5. Step 5: Solve for x
    x = 950,524,216.84/42,863.40
  6. Step 6: Final answer
    x = 22,175.66

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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.