Home / 40,574.16-56,063.88-31,223.52

Finding the Fourth Proportional to 40,574.16, 56,063.88 and 31,223.52

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Solution

The fourth proportional to 40,574.16, 56,063.88 and 31,223.52 is: 43,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,574.16 : 56,063.88 = 31,223.52 : x
  2. Step 2: Convert to fraction form
    40,574.16/56,063.88 = 31,223.52/x
  3. Step 3: Cross multiply
    40,574.16x = 56,063.88 × 31,223.52
  4. Step 4: Simplify right side
    40,574.16x = 1,750,511,678.46
  5. Step 5: Solve for x
    x = 1,750,511,678.46/40,574.16
  6. Step 6: Final answer
    x = 43,143.51

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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.