Home / 60,348.11-90,486.81-18,215.55

Finding the Fourth Proportional to 60,348.11, 90,486.81 and 18,215.55

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Solution

The fourth proportional to 60,348.11, 90,486.81 and 18,215.55 is: 27,312.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,348.11 : 90,486.81 = 18,215.55 : x
  2. Step 2: Convert to fraction form
    60,348.11/90,486.81 = 18,215.55/x
  3. Step 3: Cross multiply
    60,348.11x = 90,486.81 × 18,215.55
  4. Step 4: Simplify right side
    60,348.11x = 1,648,267,011.90
  5. Step 5: Solve for x
    x = 1,648,267,011.90/60,348.11
  6. Step 6: Final answer
    x = 27,312.66

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1.5x scale

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.