Home / 40,689.06-61,066.70-20,973.26

Finding the Fourth Proportional to 40,689.06, 61,066.70 and 20,973.26

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Solution

The fourth proportional to 40,689.06, 61,066.70 and 20,973.26 is: 31,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,689.06 : 61,066.70 = 20,973.26 : x
  2. Step 2: Convert to fraction form
    40,689.06/61,066.70 = 20,973.26/x
  3. Step 3: Cross multiply
    40,689.06x = 61,066.70 × 20,973.26
  4. Step 4: Simplify right side
    40,689.06x = 1,280,767,776.44
  5. Step 5: Solve for x
    x = 1,280,767,776.44/40,689.06
  6. Step 6: Final answer
    x = 31,476.96

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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.