Home / 45,935.16-63,385.80-30,824.80

Finding the Fourth Proportional to 45,935.16, 63,385.80 and 30,824.80

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Solution

The fourth proportional to 45,935.16, 63,385.80 and 30,824.80 is: 42,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,935.16 : 63,385.80 = 30,824.80 : x
  2. Step 2: Convert to fraction form
    45,935.16/63,385.80 = 30,824.80/x
  3. Step 3: Cross multiply
    45,935.16x = 63,385.80 × 30,824.80
  4. Step 4: Simplify right side
    45,935.16x = 1,953,854,607.84
  5. Step 5: Solve for x
    x = 1,953,854,607.84/45,935.16
  6. Step 6: Final answer
    x = 42,535.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.