Home / 42,222.36-63,332.82-14,519.64

Finding the Fourth Proportional to 42,222.36, 63,332.82 and 14,519.64

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Solution

The fourth proportional to 42,222.36, 63,332.82 and 14,519.64 is: 21,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,222.36 : 63,332.82 = 14,519.64 : x
  2. Step 2: Convert to fraction form
    42,222.36/63,332.82 = 14,519.64/x
  3. Step 3: Cross multiply
    42,222.36x = 63,332.82 × 14,519.64
  4. Step 4: Simplify right side
    42,222.36x = 919,569,746.58
  5. Step 5: Solve for x
    x = 919,569,746.58/42,222.36
  6. Step 6: Final answer
    x = 21,779.21

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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.