Home / 37,332.12-51,515.88-20,565.12

Finding the Fourth Proportional to 37,332.12, 51,515.88 and 20,565.12

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Solution

The fourth proportional to 37,332.12, 51,515.88 and 20,565.12 is: 28,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,332.12 : 51,515.88 = 20,565.12 : x
  2. Step 2: Convert to fraction form
    37,332.12/51,515.88 = 20,565.12/x
  3. Step 3: Cross multiply
    37,332.12x = 51,515.88 × 20,565.12
  4. Step 4: Simplify right side
    37,332.12x = 1,059,430,254.11
  5. Step 5: Solve for x
    x = 1,059,430,254.11/37,332.12
  6. Step 6: Final answer
    x = 28,378.52

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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.