Home / 53,828.88-74,294.76-31,480.08

Finding the Fourth Proportional to 53,828.88, 74,294.76 and 31,480.08

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Solution

The fourth proportional to 53,828.88, 74,294.76 and 31,480.08 is: 43,448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,828.88 : 74,294.76 = 31,480.08 : x
  2. Step 2: Convert to fraction form
    53,828.88/74,294.76 = 31,480.08/x
  3. Step 3: Cross multiply
    53,828.88x = 74,294.76 × 31,480.08
  4. Step 4: Simplify right side
    53,828.88x = 2,338,804,988.38
  5. Step 5: Solve for x
    x = 2,338,804,988.38/53,828.88
  6. Step 6: Final answer
    x = 43,448.89

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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.