Home / 53,860.69-74,330.21-29,988.88

Finding the Fourth Proportional to 53,860.69, 74,330.21 and 29,988.88

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Solution

The fourth proportional to 53,860.69, 74,330.21 and 29,988.88 is: 41,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,860.69 : 74,330.21 = 29,988.88 : x
  2. Step 2: Convert to fraction form
    53,860.69/74,330.21 = 29,988.88/x
  3. Step 3: Cross multiply
    53,860.69x = 74,330.21 × 29,988.88
  4. Step 4: Simplify right side
    53,860.69x = 2,229,079,598.12
  5. Step 5: Solve for x
    x = 2,229,079,598.12/53,860.69
  6. Step 6: Final answer
    x = 41,386.02

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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.