Home / 42,346.63-63,509.68-14,259.43

Finding the Fourth Proportional to 42,346.63, 63,509.68 and 14,259.43

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Solution

The fourth proportional to 42,346.63, 63,509.68 and 14,259.43 is: 21,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,346.63 : 63,509.68 = 14,259.43 : x
  2. Step 2: Convert to fraction form
    42,346.63/63,509.68 = 14,259.43/x
  3. Step 3: Cross multiply
    42,346.63x = 63,509.68 × 14,259.43
  4. Step 4: Simplify right side
    42,346.63x = 905,611,836.28
  5. Step 5: Solve for x
    x = 905,611,836.28/42,346.63
  6. Step 6: Final answer
    x = 21,385.69

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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.