Home / 42,477.68-63,737.93-30,077.39

Finding the Fourth Proportional to 42,477.68, 63,737.93 and 30,077.39

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Solution

The fourth proportional to 42,477.68, 63,737.93 and 30,077.39 is: 45,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,477.68 : 63,737.93 = 30,077.39 : x
  2. Step 2: Convert to fraction form
    42,477.68/63,737.93 = 30,077.39/x
  3. Step 3: Cross multiply
    42,477.68x = 63,737.93 × 30,077.39
  4. Step 4: Simplify right side
    42,477.68x = 1,917,070,812.94
  5. Step 5: Solve for x
    x = 1,917,070,812.94/42,477.68
  6. Step 6: Final answer
    x = 45,131.25

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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.