Home / 48,947.63-73,421.51-21,245.63

Finding the Fourth Proportional to 48,947.63, 73,421.51 and 21,245.63

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Solution

The fourth proportional to 48,947.63, 73,421.51 and 21,245.63 is: 31,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,947.63 : 73,421.51 = 21,245.63 : x
  2. Step 2: Convert to fraction form
    48,947.63/73,421.51 = 21,245.63/x
  3. Step 3: Cross multiply
    48,947.63x = 73,421.51 × 21,245.63
  4. Step 4: Simplify right side
    48,947.63x = 1,559,885,762.17
  5. Step 5: Solve for x
    x = 1,559,885,762.17/48,947.63
  6. Step 6: Final answer
    x = 31,868.47

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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.