Home / 42,148.35-63,205.52-15,838.74

Finding the Fourth Proportional to 42,148.35, 63,205.52 and 15,838.74

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Solution

The fourth proportional to 42,148.35, 63,205.52 and 15,838.74 is: 23,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,148.35 : 63,205.52 = 15,838.74 : x
  2. Step 2: Convert to fraction form
    42,148.35/63,205.52 = 15,838.74/x
  3. Step 3: Cross multiply
    42,148.35x = 63,205.52 × 15,838.74
  4. Step 4: Simplify right side
    42,148.35x = 1,001,095,718.65
  5. Step 5: Solve for x
    x = 1,001,095,718.65/42,148.35
  6. Step 6: Final answer
    x = 23,751.72

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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.