Home / 42,208.80-63,254.88-40,947.36

Finding the Fourth Proportional to 42,208.80, 63,254.88 and 40,947.36

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Solution

The fourth proportional to 42,208.80, 63,254.88 and 40,947.36 is: 61,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,208.80 : 63,254.88 = 40,947.36 : x
  2. Step 2: Convert to fraction form
    42,208.80/63,254.88 = 40,947.36/x
  3. Step 3: Cross multiply
    42,208.80x = 63,254.88 × 40,947.36
  4. Step 4: Simplify right side
    42,208.80x = 2,590,120,343.12
  5. Step 5: Solve for x
    x = 2,590,120,343.12/42,208.80
  6. Step 6: Final answer
    x = 61,364.46

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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.