Home / 56,401.32-84,592.80-21,332.64

Finding the Fourth Proportional to 56,401.32, 84,592.80 and 21,332.64

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Solution

The fourth proportional to 56,401.32, 84,592.80 and 21,332.64 is: 31,995.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,401.32 : 84,592.80 = 21,332.64 : x
  2. Step 2: Convert to fraction form
    56,401.32/84,592.80 = 21,332.64/x
  3. Step 3: Cross multiply
    56,401.32x = 84,592.80 × 21,332.64
  4. Step 4: Simplify right side
    56,401.32x = 1,804,587,748.99
  5. Step 5: Solve for x
    x = 1,804,587,748.99/56,401.32
  6. Step 6: Final answer
    x = 31,995.49

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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.