Home / 53,477.70-73,806.95-30,812.35

Finding the Fourth Proportional to 53,477.70, 73,806.95 and 30,812.35

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Solution

The fourth proportional to 53,477.70, 73,806.95 and 30,812.35 is: 42,525.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,477.70 : 73,806.95 = 30,812.35 : x
  2. Step 2: Convert to fraction form
    53,477.70/73,806.95 = 30,812.35/x
  3. Step 3: Cross multiply
    53,477.70x = 73,806.95 × 30,812.35
  4. Step 4: Simplify right side
    53,477.70x = 2,274,165,745.12
  5. Step 5: Solve for x
    x = 2,274,165,745.12/53,477.70
  6. Step 6: Final answer
    x = 42,525.49

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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.