Home / 66,637.80-91,954.98-38,338.02

Finding the Fourth Proportional to 66,637.80, 91,954.98 and 38,338.02

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Solution

The fourth proportional to 66,637.80, 91,954.98 and 38,338.02 is: 52,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,637.80 : 91,954.98 = 38,338.02 : x
  2. Step 2: Convert to fraction form
    66,637.80/91,954.98 = 38,338.02/x
  3. Step 3: Cross multiply
    66,637.80x = 91,954.98 × 38,338.02
  4. Step 4: Simplify right side
    66,637.80x = 3,525,371,862.34
  5. Step 5: Solve for x
    x = 3,525,371,862.34/66,637.80
  6. Step 6: Final answer
    x = 52,903.49

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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.