Home / 34,725.67-47,921.28-18,810.07

Finding the Fourth Proportional to 34,725.67, 47,921.28 and 18,810.07

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Solution

The fourth proportional to 34,725.67, 47,921.28 and 18,810.07 is: 25,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,725.67 : 47,921.28 = 18,810.07 : x
  2. Step 2: Convert to fraction form
    34,725.67/47,921.28 = 18,810.07/x
  3. Step 3: Cross multiply
    34,725.67x = 47,921.28 × 18,810.07
  4. Step 4: Simplify right side
    34,725.67x = 901,402,631.29
  5. Step 5: Solve for x
    x = 901,402,631.29/34,725.67
  6. Step 6: Final answer
    x = 25,957.82

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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.