Home / 56,113.95-84,168.19-21,050.88

Finding the Fourth Proportional to 56,113.95, 84,168.19 and 21,050.88

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Solution

The fourth proportional to 56,113.95, 84,168.19 and 21,050.88 is: 31,575.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,113.95 : 84,168.19 = 21,050.88 : x
  2. Step 2: Convert to fraction form
    56,113.95/84,168.19 = 21,050.88/x
  3. Step 3: Cross multiply
    56,113.95x = 84,168.19 × 21,050.88
  4. Step 4: Simplify right side
    56,113.95x = 1,771,814,467.51
  5. Step 5: Solve for x
    x = 1,771,814,467.51/56,113.95
  6. Step 6: Final answer
    x = 31,575.29

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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.