Home / 30,427.74-45,657.66-21,600.08

Finding the Fourth Proportional to 30,427.74, 45,657.66 and 21,600.08

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Solution

The fourth proportional to 30,427.74, 45,657.66 and 21,600.08 is: 32,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,427.74 : 45,657.66 = 21,600.08 : x
  2. Step 2: Convert to fraction form
    30,427.74/45,657.66 = 21,600.08/x
  3. Step 3: Cross multiply
    30,427.74x = 45,657.66 × 21,600.08
  4. Step 4: Simplify right side
    30,427.74x = 986,209,108.61
  5. Step 5: Solve for x
    x = 986,209,108.61/30,427.74
  6. Step 6: Final answer
    x = 32,411.51

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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.