Home / 53,748.36-74,166.84-31,087.80

Finding the Fourth Proportional to 53,748.36, 74,166.84 and 31,087.80

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Solution

The fourth proportional to 53,748.36, 74,166.84 and 31,087.80 is: 42,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,748.36 : 74,166.84 = 31,087.80 : x
  2. Step 2: Convert to fraction form
    53,748.36/74,166.84 = 31,087.80/x
  3. Step 3: Cross multiply
    53,748.36x = 74,166.84 × 31,087.80
  4. Step 4: Simplify right side
    53,748.36x = 2,305,683,888.55
  5. Step 5: Solve for x
    x = 2,305,683,888.55/53,748.36
  6. Step 6: Final answer
    x = 42,897.75

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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.