Home / 47,066.40-64,958.42-28,205.28

Finding the Fourth Proportional to 47,066.40, 64,958.42 and 28,205.28

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Solution

The fourth proportional to 47,066.40, 64,958.42 and 28,205.28 is: 38,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,066.40 : 64,958.42 = 28,205.28 : x
  2. Step 2: Convert to fraction form
    47,066.40/64,958.42 = 28,205.28/x
  3. Step 3: Cross multiply
    47,066.40x = 64,958.42 × 28,205.28
  4. Step 4: Simplify right side
    47,066.40x = 1,832,170,424.46
  5. Step 5: Solve for x
    x = 1,832,170,424.46/47,066.40
  6. Step 6: Final answer
    x = 38,927.35

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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.