Home / 34,725.47-47,920.98-18,809.96

Finding the Fourth Proportional to 34,725.47, 47,920.98 and 18,809.96

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Solution

The fourth proportional to 34,725.47, 47,920.98 and 18,809.96 is: 25,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,725.47 : 47,920.98 = 18,809.96 : x
  2. Step 2: Convert to fraction form
    34,725.47/47,920.98 = 18,809.96/x
  3. Step 3: Cross multiply
    34,725.47x = 47,920.98 × 18,809.96
  4. Step 4: Simplify right side
    34,725.47x = 901,391,547.89
  5. Step 5: Solve for x
    x = 901,391,547.89/34,725.47
  6. Step 6: Final answer
    x = 25,957.65

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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.