Home / 52,821.50-72,880.62-31,316.29

Finding the Fourth Proportional to 52,821.50, 72,880.62 and 31,316.29

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Solution

The fourth proportional to 52,821.50, 72,880.62 and 31,316.29 is: 43,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,821.50 : 72,880.62 = 31,316.29 : x
  2. Step 2: Convert to fraction form
    52,821.50/72,880.62 = 31,316.29/x
  3. Step 3: Cross multiply
    52,821.50x = 72,880.62 × 31,316.29
  4. Step 4: Simplify right side
    52,821.50x = 2,282,350,266.90
  5. Step 5: Solve for x
    x = 2,282,350,266.90/52,821.50
  6. Step 6: Final answer
    x = 43,208.74

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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.