Home / 45,536.42-68,312.86-20,588.22

Finding the Fourth Proportional to 45,536.42, 68,312.86 and 20,588.22

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Solution

The fourth proportional to 45,536.42, 68,312.86 and 20,588.22 is: 30,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,536.42 : 68,312.86 = 20,588.22 : x
  2. Step 2: Convert to fraction form
    45,536.42/68,312.86 = 20,588.22/x
  3. Step 3: Cross multiply
    45,536.42x = 68,312.86 × 20,588.22
  4. Step 4: Simplify right side
    45,536.42x = 1,406,440,190.51
  5. Step 5: Solve for x
    x = 1,406,440,190.51/45,536.42
  6. Step 6: Final answer
    x = 30,886.05

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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.