Home / 42,113.36-63,184.44-18,756.08

Finding the Fourth Proportional to 42,113.36, 63,184.44 and 18,756.08

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Solution

The fourth proportional to 42,113.36, 63,184.44 and 18,756.08 is: 28,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,113.36 : 63,184.44 = 18,756.08 : x
  2. Step 2: Convert to fraction form
    42,113.36/63,184.44 = 18,756.08/x
  3. Step 3: Cross multiply
    42,113.36x = 63,184.44 × 18,756.08
  4. Step 4: Simplify right side
    42,113.36x = 1,185,092,411.40
  5. Step 5: Solve for x
    x = 1,185,092,411.40/42,113.36
  6. Step 6: Final answer
    x = 28,140.53

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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.