Home / 45,156.28-67,776-22,985.50

Finding the Fourth Proportional to 45,156.28, 67,776 and 22,985.50

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Solution

The fourth proportional to 45,156.28, 67,776 and 22,985.50 is: 34,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,156.28 : 67,776 = 22,985.50 : x
  2. Step 2: Convert to fraction form
    45,156.28/67,776 = 22,985.50/x
  3. Step 3: Cross multiply
    45,156.28x = 67,776 × 22,985.50
  4. Step 4: Simplify right side
    45,156.28x = 1,557,865,248
  5. Step 5: Solve for x
    x = 1,557,865,248/45,156.28
  6. Step 6: Final answer
    x = 34,499.42

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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.