Home / 42,790.41-64,200.93-19,095.87

Finding the Fourth Proportional to 42,790.41, 64,200.93 and 19,095.87

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Solution

The fourth proportional to 42,790.41, 64,200.93 and 19,095.87 is: 28,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,790.41 : 64,200.93 = 19,095.87 : x
  2. Step 2: Convert to fraction form
    42,790.41/64,200.93 = 19,095.87/x
  3. Step 3: Cross multiply
    42,790.41x = 64,200.93 × 19,095.87
  4. Step 4: Simplify right side
    42,790.41x = 1,225,972,613.16
  5. Step 5: Solve for x
    x = 1,225,972,613.16/42,790.41
  6. Step 6: Final answer
    x = 28,650.64

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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.