Home / 42,790.14-64,200.42-19,095.53

Finding the Fourth Proportional to 42,790.14, 64,200.42 and 19,095.53

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Solution

The fourth proportional to 42,790.14, 64,200.42 and 19,095.53 is: 28,650.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,790.14 : 64,200.42 = 19,095.53 : x
  2. Step 2: Convert to fraction form
    42,790.14/64,200.42 = 19,095.53/x
  3. Step 3: Cross multiply
    42,790.14x = 64,200.42 × 19,095.53
  4. Step 4: Simplify right side
    42,790.14x = 1,225,940,894.26
  5. Step 5: Solve for x
    x = 1,225,940,894.26/42,790.14
  6. Step 6: Final answer
    x = 28,650.08

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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.