Home / 51,264.80-76,897.20-47,328.20

Finding the Fourth Proportional to 51,264.80, 76,897.20 and 47,328.20

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Solution

The fourth proportional to 51,264.80, 76,897.20 and 47,328.20 is: 70,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,264.80 : 76,897.20 = 47,328.20 : x
  2. Step 2: Convert to fraction form
    51,264.80/76,897.20 = 47,328.20/x
  3. Step 3: Cross multiply
    51,264.80x = 76,897.20 × 47,328.20
  4. Step 4: Simplify right side
    51,264.80x = 3,639,406,061.04
  5. Step 5: Solve for x
    x = 3,639,406,061.04/51,264.80
  6. Step 6: Final answer
    x = 70,992.30

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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.