Home / 31,536.12-43,515.14-19,595.10

Finding the Fourth Proportional to 31,536.12, 43,515.14 and 19,595.10

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Solution

The fourth proportional to 31,536.12, 43,515.14 and 19,595.10 is: 27,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.12 : 43,515.14 = 19,595.10 : x
  2. Step 2: Convert to fraction form
    31,536.12/43,515.14 = 19,595.10/x
  3. Step 3: Cross multiply
    31,536.12x = 43,515.14 × 19,595.10
  4. Step 4: Simplify right side
    31,536.12x = 852,683,519.81
  5. Step 5: Solve for x
    x = 852,683,519.81/31,536.12
  6. Step 6: Final answer
    x = 27,038.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.