Home / 42,643.18-63,965.10-16,341.64

Finding the Fourth Proportional to 42,643.18, 63,965.10 and 16,341.64

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Solution

The fourth proportional to 42,643.18, 63,965.10 and 16,341.64 is: 24,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,643.18 : 63,965.10 = 16,341.64 : x
  2. Step 2: Convert to fraction form
    42,643.18/63,965.10 = 16,341.64/x
  3. Step 3: Cross multiply
    42,643.18x = 63,965.10 × 16,341.64
  4. Step 4: Simplify right side
    42,643.18x = 1,045,294,636.76
  5. Step 5: Solve for x
    x = 1,045,294,636.76/42,643.18
  6. Step 6: Final answer
    x = 24,512.59

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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.