Home / 53,633.90-74,004.51-30,671.01

Finding the Fourth Proportional to 53,633.90, 74,004.51 and 30,671.01

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Solution

The fourth proportional to 53,633.90, 74,004.51 and 30,671.01 is: 42,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,633.90 : 74,004.51 = 30,671.01 : x
  2. Step 2: Convert to fraction form
    53,633.90/74,004.51 = 30,671.01/x
  3. Step 3: Cross multiply
    53,633.90x = 74,004.51 × 30,671.01
  4. Step 4: Simplify right side
    53,633.90x = 2,269,793,066.26
  5. Step 5: Solve for x
    x = 2,269,793,066.26/53,633.90
  6. Step 6: Final answer
    x = 42,320.12

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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.