Home / 42,437.49-63,559.35-20,266.49

Finding the Fourth Proportional to 42,437.49, 63,559.35 and 20,266.49

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Solution

The fourth proportional to 42,437.49, 63,559.35 and 20,266.49 is: 30,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,437.49 : 63,559.35 = 20,266.49 : x
  2. Step 2: Convert to fraction form
    42,437.49/63,559.35 = 20,266.49/x
  3. Step 3: Cross multiply
    42,437.49x = 63,559.35 × 20,266.49
  4. Step 4: Simplify right side
    42,437.49x = 1,288,124,613.38
  5. Step 5: Solve for x
    x = 1,288,124,613.38/42,437.49
  6. Step 6: Final answer
    x = 30,353.46

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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.