Home / 49,337.40-74,015.70-21,257.40

Finding the Fourth Proportional to 49,337.40, 74,015.70 and 21,257.40

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Solution

The fourth proportional to 49,337.40, 74,015.70 and 21,257.40 is: 31,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,337.40 : 74,015.70 = 21,257.40 : x
  2. Step 2: Convert to fraction form
    49,337.40/74,015.70 = 21,257.40/x
  3. Step 3: Cross multiply
    49,337.40x = 74,015.70 × 21,257.40
  4. Step 4: Simplify right side
    49,337.40x = 1,573,381,341.18
  5. Step 5: Solve for x
    x = 1,573,381,341.18/49,337.40
  6. Step 6: Final answer
    x = 31,890.24

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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.