Home / 34,938.61-52,407.30-8,643.35

Finding the Fourth Proportional to 34,938.61, 52,407.30 and 8,643.35

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Solution

The fourth proportional to 34,938.61, 52,407.30 and 8,643.35 is: 12,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,938.61 : 52,407.30 = 8,643.35 : x
  2. Step 2: Convert to fraction form
    34,938.61/52,407.30 = 8,643.35/x
  3. Step 3: Cross multiply
    34,938.61x = 52,407.30 × 8,643.35
  4. Step 4: Simplify right side
    34,938.61x = 452,974,593.24
  5. Step 5: Solve for x
    x = 452,974,593.24/34,938.61
  6. Step 6: Final answer
    x = 12,964.87

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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.