Home / 35,423.78-52,876.51-31,220.13

Finding the Fourth Proportional to 35,423.78, 52,876.51 and 31,220.13

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Solution

The fourth proportional to 35,423.78, 52,876.51 and 31,220.13 is: 46,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,423.78 : 52,876.51 = 31,220.13 : x
  2. Step 2: Convert to fraction form
    35,423.78/52,876.51 = 31,220.13/x
  3. Step 3: Cross multiply
    35,423.78x = 52,876.51 × 31,220.13
  4. Step 4: Simplify right side
    35,423.78x = 1,650,811,516.15
  5. Step 5: Solve for x
    x = 1,650,811,516.15/35,423.78
  6. Step 6: Final answer
    x = 46,601.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.