Home / 45,920.51-63,373.13-30,580.75

Finding the Fourth Proportional to 45,920.51, 63,373.13 and 30,580.75

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Solution

The fourth proportional to 45,920.51, 63,373.13 and 30,580.75 is: 42,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,920.51 : 63,373.13 = 30,580.75 : x
  2. Step 2: Convert to fraction form
    45,920.51/63,373.13 = 30,580.75/x
  3. Step 3: Cross multiply
    45,920.51x = 63,373.13 × 30,580.75
  4. Step 4: Simplify right side
    45,920.51x = 1,937,997,648.59
  5. Step 5: Solve for x
    x = 1,937,997,648.59/45,920.51
  6. Step 6: Final answer
    x = 42,203.32

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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.