Home / 37,337.40-51,533.16-21,432.72

Finding the Fourth Proportional to 37,337.40, 51,533.16 and 21,432.72

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Solution

The fourth proportional to 37,337.40, 51,533.16 and 21,432.72 is: 29,581.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,337.40 : 51,533.16 = 21,432.72 : x
  2. Step 2: Convert to fraction form
    37,337.40/51,533.16 = 21,432.72/x
  3. Step 3: Cross multiply
    37,337.40x = 51,533.16 × 21,432.72
  4. Step 4: Simplify right side
    37,337.40x = 1,104,495,789.00
  5. Step 5: Solve for x
    x = 1,104,495,789.00/37,337.40
  6. Step 6: Final answer
    x = 29,581.49

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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.