Home / 53,970.49-74,477.63-30,101.21

Finding the Fourth Proportional to 53,970.49, 74,477.63 and 30,101.21

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Solution

The fourth proportional to 53,970.49, 74,477.63 and 30,101.21 is: 41,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.49 : 74,477.63 = 30,101.21 : x
  2. Step 2: Convert to fraction form
    53,970.49/74,477.63 = 30,101.21/x
  3. Step 3: Cross multiply
    53,970.49x = 74,477.63 × 30,101.21
  4. Step 4: Simplify right side
    53,970.49x = 2,241,866,483.80
  5. Step 5: Solve for x
    x = 2,241,866,483.80/53,970.49
  6. Step 6: Final answer
    x = 41,538.75

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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.