Home / 51,073.61-70,487.81-30,937.52

Finding the Fourth Proportional to 51,073.61, 70,487.81 and 30,937.52

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Solution

The fourth proportional to 51,073.61, 70,487.81 and 30,937.52 is: 42,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,073.61 : 70,487.81 = 30,937.52 : x
  2. Step 2: Convert to fraction form
    51,073.61/70,487.81 = 30,937.52/x
  3. Step 3: Cross multiply
    51,073.61x = 70,487.81 × 30,937.52
  4. Step 4: Simplify right side
    51,073.61x = 2,180,717,524.50
  5. Step 5: Solve for x
    x = 2,180,717,524.50/51,073.61
  6. Step 6: Final answer
    x = 42,697.54

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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.