Home / 42,341.06-63,506.70-11,178.74

Finding the Fourth Proportional to 42,341.06, 63,506.70 and 11,178.74

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Solution

The fourth proportional to 42,341.06, 63,506.70 and 11,178.74 is: 16,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,341.06 : 63,506.70 = 11,178.74 : x
  2. Step 2: Convert to fraction form
    42,341.06/63,506.70 = 11,178.74/x
  3. Step 3: Cross multiply
    42,341.06x = 63,506.70 × 11,178.74
  4. Step 4: Simplify right side
    42,341.06x = 709,924,570.02
  5. Step 5: Solve for x
    x = 709,924,570.02/42,341.06
  6. Step 6: Final answer
    x = 16,766.81

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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.