Home / 53,395.45-73,689.20-30,737.23

Finding the Fourth Proportional to 53,395.45, 73,689.20 and 30,737.23

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Solution

The fourth proportional to 53,395.45, 73,689.20 and 30,737.23 is: 42,419.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,395.45 : 73,689.20 = 30,737.23 : x
  2. Step 2: Convert to fraction form
    53,395.45/73,689.20 = 30,737.23/x
  3. Step 3: Cross multiply
    53,395.45x = 73,689.20 × 30,737.23
  4. Step 4: Simplify right side
    53,395.45x = 2,265,001,888.92
  5. Step 5: Solve for x
    x = 2,265,001,888.92/53,395.45
  6. Step 6: Final answer
    x = 42,419.38

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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.