Home / 40,133.40-60,223.14-31,343.64

Finding the Fourth Proportional to 40,133.40, 60,223.14 and 31,343.64

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Solution

The fourth proportional to 40,133.40, 60,223.14 and 31,343.64 is: 47,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,133.40 : 60,223.14 = 31,343.64 : x
  2. Step 2: Convert to fraction form
    40,133.40/60,223.14 = 31,343.64/x
  3. Step 3: Cross multiply
    40,133.40x = 60,223.14 × 31,343.64
  4. Step 4: Simplify right side
    40,133.40x = 1,887,612,419.83
  5. Step 5: Solve for x
    x = 1,887,612,419.83/40,133.40
  6. Step 6: Final answer
    x = 47,033.45

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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.