Home / 52,478.10-72,419.84-28,604.77

Finding the Fourth Proportional to 52,478.10, 72,419.84 and 28,604.77

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Solution

The fourth proportional to 52,478.10, 72,419.84 and 28,604.77 is: 39,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,478.10 : 72,419.84 = 28,604.77 : x
  2. Step 2: Convert to fraction form
    52,478.10/72,419.84 = 28,604.77/x
  3. Step 3: Cross multiply
    52,478.10x = 72,419.84 × 28,604.77
  4. Step 4: Simplify right side
    52,478.10x = 2,071,552,866.64
  5. Step 5: Solve for x
    x = 2,071,552,866.64/52,478.10
  6. Step 6: Final answer
    x = 39,474.62

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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.