Home / 52,477.49-72,419.78-28,604.18

Finding the Fourth Proportional to 52,477.49, 72,419.78 and 28,604.18

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Solution

The fourth proportional to 52,477.49, 72,419.78 and 28,604.18 is: 39,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,477.49 : 72,419.78 = 28,604.18 : x
  2. Step 2: Convert to fraction form
    52,477.49/72,419.78 = 28,604.18/x
  3. Step 3: Cross multiply
    52,477.49x = 72,419.78 × 28,604.18
  4. Step 4: Simplify right side
    52,477.49x = 2,071,508,422.68
  5. Step 5: Solve for x
    x = 2,071,508,422.68/52,477.49
  6. Step 6: Final answer
    x = 39,474.23

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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.