Home / 49,681.08-74,521.62-28,890

Finding the Fourth Proportional to 49,681.08, 74,521.62 and 28,890

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Solution

The fourth proportional to 49,681.08, 74,521.62 and 28,890 is: 43,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,681.08 : 74,521.62 = 28,890 : x
  2. Step 2: Convert to fraction form
    49,681.08/74,521.62 = 28,890/x
  3. Step 3: Cross multiply
    49,681.08x = 74,521.62 × 28,890
  4. Step 4: Simplify right side
    49,681.08x = 2,152,929,601.80
  5. Step 5: Solve for x
    x = 2,152,929,601.80/49,681.08
  6. Step 6: Final answer
    x = 43,335.00

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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.