Home / 56,401.24-84,602.82-21,357.40

Finding the Fourth Proportional to 56,401.24, 84,602.82 and 21,357.40

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Solution

The fourth proportional to 56,401.24, 84,602.82 and 21,357.40 is: 32,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,401.24 : 84,602.82 = 21,357.40 : x
  2. Step 2: Convert to fraction form
    56,401.24/84,602.82 = 21,357.40/x
  3. Step 3: Cross multiply
    56,401.24x = 84,602.82 × 21,357.40
  4. Step 4: Simplify right side
    56,401.24x = 1,806,896,267.87
  5. Step 5: Solve for x
    x = 1,806,896,267.87/56,401.24
  6. Step 6: Final answer
    x = 32,036.46

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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.