Home / 42,381.63-63,581.55-14,302.38

Finding the Fourth Proportional to 42,381.63, 63,581.55 and 14,302.38

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Solution

The fourth proportional to 42,381.63, 63,581.55 and 14,302.38 is: 21,456.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,381.63 : 63,581.55 = 14,302.38 : x
  2. Step 2: Convert to fraction form
    42,381.63/63,581.55 = 14,302.38/x
  3. Step 3: Cross multiply
    42,381.63x = 63,581.55 × 14,302.38
  4. Step 4: Simplify right side
    42,381.63x = 909,367,489.09
  5. Step 5: Solve for x
    x = 909,367,489.09/42,381.63
  6. Step 6: Final answer
    x = 21,456.64

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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.