Home / 51,035.04-70,434.18-28,376.28

Finding the Fourth Proportional to 51,035.04, 70,434.18 and 28,376.28

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Solution

The fourth proportional to 51,035.04, 70,434.18 and 28,376.28 is: 39,162.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,035.04 : 70,434.18 = 28,376.28 : x
  2. Step 2: Convert to fraction form
    51,035.04/70,434.18 = 28,376.28/x
  3. Step 3: Cross multiply
    51,035.04x = 70,434.18 × 28,376.28
  4. Step 4: Simplify right side
    51,035.04x = 1,998,660,013.25
  5. Step 5: Solve for x
    x = 1,998,660,013.25/51,035.04
  6. Step 6: Final answer
    x = 39,162.51

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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.