Home / 51,357.96-70,877.34-28,697.10

Finding the Fourth Proportional to 51,357.96, 70,877.34 and 28,697.10

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Solution

The fourth proportional to 51,357.96, 70,877.34 and 28,697.10 is: 39,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,357.96 : 70,877.34 = 28,697.10 : x
  2. Step 2: Convert to fraction form
    51,357.96/70,877.34 = 28,697.10/x
  3. Step 3: Cross multiply
    51,357.96x = 70,877.34 × 28,697.10
  4. Step 4: Simplify right side
    51,357.96x = 2,033,974,113.71
  5. Step 5: Solve for x
    x = 2,033,974,113.71/51,357.96
  6. Step 6: Final answer
    x = 39,603.87

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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.