Home / 67,458.34-93,095.52-38,787.28

Finding the Fourth Proportional to 67,458.34, 93,095.52 and 38,787.28

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Solution

The fourth proportional to 67,458.34, 93,095.52 and 38,787.28 is: 53,528.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,458.34 : 93,095.52 = 38,787.28 : x
  2. Step 2: Convert to fraction form
    67,458.34/93,095.52 = 38,787.28/x
  3. Step 3: Cross multiply
    67,458.34x = 93,095.52 × 38,787.28
  4. Step 4: Simplify right side
    67,458.34x = 3,610,922,000.99
  5. Step 5: Solve for x
    x = 3,610,922,000.99/67,458.34
  6. Step 6: Final answer
    x = 53,528.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.