Home / 42,421.55-63,606.16-14,338.95

Finding the Fourth Proportional to 42,421.55, 63,606.16 and 14,338.95

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Solution

The fourth proportional to 42,421.55, 63,606.16 and 14,338.95 is: 21,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,421.55 : 63,606.16 = 14,338.95 : x
  2. Step 2: Convert to fraction form
    42,421.55/63,606.16 = 14,338.95/x
  3. Step 3: Cross multiply
    42,421.55x = 63,606.16 × 14,338.95
  4. Step 4: Simplify right side
    42,421.55x = 912,045,512.08
  5. Step 5: Solve for x
    x = 912,045,512.08/42,421.55
  6. Step 6: Final answer
    x = 21,499.58

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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.