Home / 53,247.47-73,525.73-47,572.20

Finding the Fourth Proportional to 53,247.47, 73,525.73 and 47,572.20

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Solution

The fourth proportional to 53,247.47, 73,525.73 and 47,572.20 is: 65,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,247.47 : 73,525.73 = 47,572.20 : x
  2. Step 2: Convert to fraction form
    53,247.47/73,525.73 = 47,572.20/x
  3. Step 3: Cross multiply
    53,247.47x = 73,525.73 × 47,572.20
  4. Step 4: Simplify right side
    53,247.47x = 3,497,780,494.85
  5. Step 5: Solve for x
    x = 3,497,780,494.85/53,247.47
  6. Step 6: Final answer
    x = 65,689.15

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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.