Home / 42,549.21-63,818.96-11,386.89

Finding the Fourth Proportional to 42,549.21, 63,818.96 and 11,386.89

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Solution

The fourth proportional to 42,549.21, 63,818.96 and 11,386.89 is: 17,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,549.21 : 63,818.96 = 11,386.89 : x
  2. Step 2: Convert to fraction form
    42,549.21/63,818.96 = 11,386.89/x
  3. Step 3: Cross multiply
    42,549.21x = 63,818.96 × 11,386.89
  4. Step 4: Simplify right side
    42,549.21x = 726,699,420.50
  5. Step 5: Solve for x
    x = 726,699,420.50/42,549.21
  6. Step 6: Final answer
    x = 17,079.03

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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.