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Finding the Fourth Proportional to 60,290, 90,435 and 23,354

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Solution

The fourth proportional to 60,290, 90,435 and 23,354 is: 35,031

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,290 : 90,435 = 23,354 : x
  2. Step 2: Convert to fraction form
    60,290/90,435 = 23,354/x
  3. Step 3: Cross multiply
    60,290x = 90,435 × 23,354
  4. Step 4: Simplify right side
    60,290x = 2,112,018,990
  5. Step 5: Solve for x
    x = 2,112,018,990/60,290
  6. Step 6: Final answer
    x = 35,031

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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.