Home / 42,718.12-63,983.58-35,238.28

Finding the Fourth Proportional to 42,718.12, 63,983.58 and 35,238.28

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Solution

The fourth proportional to 42,718.12, 63,983.58 and 35,238.28 is: 52,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,718.12 : 63,983.58 = 35,238.28 : x
  2. Step 2: Convert to fraction form
    42,718.12/63,983.58 = 35,238.28/x
  3. Step 3: Cross multiply
    42,718.12x = 63,983.58 × 35,238.28
  4. Step 4: Simplify right side
    42,718.12x = 2,254,671,307.44
  5. Step 5: Solve for x
    x = 2,254,671,307.44/42,718.12
  6. Step 6: Final answer
    x = 52,780.21

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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.