Home / 49,319.72-74,032.23-21,253.63

Finding the Fourth Proportional to 49,319.72, 74,032.23 and 21,253.63

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Solution

The fourth proportional to 49,319.72, 74,032.23 and 21,253.63 is: 31,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,319.72 : 74,032.23 = 21,253.63 : x
  2. Step 2: Convert to fraction form
    49,319.72/74,032.23 = 21,253.63/x
  3. Step 3: Cross multiply
    49,319.72x = 74,032.23 × 21,253.63
  4. Step 4: Simplify right side
    49,319.72x = 1,573,453,624.49
  5. Step 5: Solve for x
    x = 1,573,453,624.49/49,319.72
  6. Step 6: Final answer
    x = 31,903.13

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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.