Home / 51,214.72-70,673.28-28,858.24

Finding the Fourth Proportional to 51,214.72, 70,673.28 and 28,858.24

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Solution

The fourth proportional to 51,214.72, 70,673.28 and 28,858.24 is: 39,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,214.72 : 70,673.28 = 28,858.24 : x
  2. Step 2: Convert to fraction form
    51,214.72/70,673.28 = 28,858.24/x
  3. Step 3: Cross multiply
    51,214.72x = 70,673.28 × 28,858.24
  4. Step 4: Simplify right side
    51,214.72x = 2,039,506,475.83
  5. Step 5: Solve for x
    x = 2,039,506,475.83/51,214.72
  6. Step 6: Final answer
    x = 39,822.66

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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.