Home / 37,332.40-51,518.70-20,565.40

Finding the Fourth Proportional to 37,332.40, 51,518.70 and 20,565.40

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Solution

The fourth proportional to 37,332.40, 51,518.70 and 20,565.40 is: 28,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,332.40 : 51,518.70 = 20,565.40 : x
  2. Step 2: Convert to fraction form
    37,332.40/51,518.70 = 20,565.40/x
  3. Step 3: Cross multiply
    37,332.40x = 51,518.70 × 20,565.40
  4. Step 4: Simplify right side
    37,332.40x = 1,059,502,672.98
  5. Step 5: Solve for x
    x = 1,059,502,672.98/37,332.40
  6. Step 6: Final answer
    x = 28,380.25

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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.