Home / 53,599.97-73,962.37-30,931.31

Finding the Fourth Proportional to 53,599.97, 73,962.37 and 30,931.31

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Solution

The fourth proportional to 53,599.97, 73,962.37 and 30,931.31 is: 42,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,599.97 : 73,962.37 = 30,931.31 : x
  2. Step 2: Convert to fraction form
    53,599.97/73,962.37 = 30,931.31/x
  3. Step 3: Cross multiply
    53,599.97x = 73,962.37 × 30,931.31
  4. Step 4: Simplify right side
    53,599.97x = 2,287,752,994.80
  5. Step 5: Solve for x
    x = 2,287,752,994.80/53,599.97
  6. Step 6: Final answer
    x = 42,681.98

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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.