Home / 42,279.84-63,407.10-26,508.84

Finding the Fourth Proportional to 42,279.84, 63,407.10 and 26,508.84

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Solution

The fourth proportional to 42,279.84, 63,407.10 and 26,508.84 is: 39,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,279.84 : 63,407.10 = 26,508.84 : x
  2. Step 2: Convert to fraction form
    42,279.84/63,407.10 = 26,508.84/x
  3. Step 3: Cross multiply
    42,279.84x = 63,407.10 × 26,508.84
  4. Step 4: Simplify right side
    42,279.84x = 1,680,848,530.40
  5. Step 5: Solve for x
    x = 1,680,848,530.40/42,279.84
  6. Step 6: Final answer
    x = 39,755.32

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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.