Home / 38,066.80-57,100.20-31,068.40

Finding the Fourth Proportional to 38,066.80, 57,100.20 and 31,068.40

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Solution

The fourth proportional to 38,066.80, 57,100.20 and 31,068.40 is: 46,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,066.80 : 57,100.20 = 31,068.40 : x
  2. Step 2: Convert to fraction form
    38,066.80/57,100.20 = 31,068.40/x
  3. Step 3: Cross multiply
    38,066.80x = 57,100.20 × 31,068.40
  4. Step 4: Simplify right side
    38,066.80x = 1,774,011,853.68
  5. Step 5: Solve for x
    x = 1,774,011,853.68/38,066.80
  6. Step 6: Final answer
    x = 46,602.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.