Home / 34,363.01-47,420.15-20,216.76

Finding the Fourth Proportional to 34,363.01, 47,420.15 and 20,216.76

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Solution

The fourth proportional to 34,363.01, 47,420.15 and 20,216.76 is: 27,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,363.01 : 47,420.15 = 20,216.76 : x
  2. Step 2: Convert to fraction form
    34,363.01/47,420.15 = 20,216.76/x
  3. Step 3: Cross multiply
    34,363.01x = 47,420.15 × 20,216.76
  4. Step 4: Simplify right side
    34,363.01x = 958,681,690.63
  5. Step 5: Solve for x
    x = 958,681,690.63/34,363.01
  6. Step 6: Final answer
    x = 27,898.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.