Home / 52,812.23-72,880.45-28,938.83

Finding the Fourth Proportional to 52,812.23, 72,880.45 and 28,938.83

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Solution

The fourth proportional to 52,812.23, 72,880.45 and 28,938.83 is: 39,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,812.23 : 72,880.45 = 28,938.83 : x
  2. Step 2: Convert to fraction form
    52,812.23/72,880.45 = 28,938.83/x
  3. Step 3: Cross multiply
    52,812.23x = 72,880.45 × 28,938.83
  4. Step 4: Simplify right side
    52,812.23x = 2,109,075,062.73
  5. Step 5: Solve for x
    x = 2,109,075,062.73/52,812.23
  6. Step 6: Final answer
    x = 39,935.36

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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.