Home / 42,339.18-63,495.80-29,275.50

Finding the Fourth Proportional to 42,339.18, 63,495.80 and 29,275.50

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Solution

The fourth proportional to 42,339.18, 63,495.80 and 29,275.50 is: 43,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,339.18 : 63,495.80 = 29,275.50 : x
  2. Step 2: Convert to fraction form
    42,339.18/63,495.80 = 29,275.50/x
  3. Step 3: Cross multiply
    42,339.18x = 63,495.80 × 29,275.50
  4. Step 4: Simplify right side
    42,339.18x = 1,858,871,292.90
  5. Step 5: Solve for x
    x = 1,858,871,292.90/42,339.18
  6. Step 6: Final answer
    x = 43,904.28

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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.