Home / 56,402.88-84,616.20-21,341.76

Finding the Fourth Proportional to 56,402.88, 84,616.20 and 21,341.76

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Solution

The fourth proportional to 56,402.88, 84,616.20 and 21,341.76 is: 32,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,402.88 : 84,616.20 = 21,341.76 : x
  2. Step 2: Convert to fraction form
    56,402.88/84,616.20 = 21,341.76/x
  3. Step 3: Cross multiply
    56,402.88x = 84,616.20 × 21,341.76
  4. Step 4: Simplify right side
    56,402.88x = 1,805,858,632.51
  5. Step 5: Solve for x
    x = 1,805,858,632.51/56,402.88
  6. Step 6: Final answer
    x = 32,017.14

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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.