Home / 48,346.64-66,720.48-30,434.84

Finding the Fourth Proportional to 48,346.64, 66,720.48 and 30,434.84

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Solution

The fourth proportional to 48,346.64, 66,720.48 and 30,434.84 is: 42,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,346.64 : 66,720.48 = 30,434.84 : x
  2. Step 2: Convert to fraction form
    48,346.64/66,720.48 = 30,434.84/x
  3. Step 3: Cross multiply
    48,346.64x = 66,720.48 × 30,434.84
  4. Step 4: Simplify right side
    48,346.64x = 2,030,627,133.52
  5. Step 5: Solve for x
    x = 2,030,627,133.52/48,346.64
  6. Step 6: Final answer
    x = 42,001.41

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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.